Home / 75,943.55-113,915.33-71,569.55

Finding the Fourth Proportional to 75,943.55, 113,915.33 and 71,569.55

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Solution

The fourth proportional to 75,943.55, 113,915.33 and 71,569.55 is: 107,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,943.55 : 113,915.33 = 71,569.55 : x
  2. Step 2: Convert to fraction form
    75,943.55/113,915.33 = 71,569.55/x
  3. Step 3: Cross multiply
    75,943.55x = 113,915.33 × 71,569.55
  4. Step 4: Simplify right side
    75,943.55x = 8,152,868,548.35
  5. Step 5: Solve for x
    x = 8,152,868,548.35/75,943.55
  6. Step 6: Final answer
    x = 107,354.33

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.