Home / 105,008.38-144,915.20-59,688.26

Finding the Fourth Proportional to 105,008.38, 144,915.20 and 59,688.26

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Solution

The fourth proportional to 105,008.38, 144,915.20 and 59,688.26 is: 82,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008.38 : 144,915.20 = 59,688.26 : x
  2. Step 2: Convert to fraction form
    105,008.38/144,915.20 = 59,688.26/x
  3. Step 3: Cross multiply
    105,008.38x = 144,915.20 × 59,688.26
  4. Step 4: Simplify right side
    105,008.38x = 8,649,736,135.55
  5. Step 5: Solve for x
    x = 8,649,736,135.55/105,008.38
  6. Step 6: Final answer
    x = 82,371.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.