Home / 45,415.16-68,123.28-15,833.60

Finding the Fourth Proportional to 45,415.16, 68,123.28 and 15,833.60

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Solution

The fourth proportional to 45,415.16, 68,123.28 and 15,833.60 is: 23,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.16 : 68,123.28 = 15,833.60 : x
  2. Step 2: Convert to fraction form
    45,415.16/68,123.28 = 15,833.60/x
  3. Step 3: Cross multiply
    45,415.16x = 68,123.28 × 15,833.60
  4. Step 4: Simplify right side
    45,415.16x = 1,078,636,766.21
  5. Step 5: Solve for x
    x = 1,078,636,766.21/45,415.16
  6. Step 6: Final answer
    x = 23,750.59

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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.