Home / 57,892.18-86,839.74-15,772.60

Finding the Fourth Proportional to 57,892.18, 86,839.74 and 15,772.60

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Solution

The fourth proportional to 57,892.18, 86,839.74 and 15,772.60 is: 23,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,892.18 : 86,839.74 = 15,772.60 : x
  2. Step 2: Convert to fraction form
    57,892.18/86,839.74 = 15,772.60/x
  3. Step 3: Cross multiply
    57,892.18x = 86,839.74 × 15,772.60
  4. Step 4: Simplify right side
    57,892.18x = 1,369,688,483.12
  5. Step 5: Solve for x
    x = 1,369,688,483.12/57,892.18
  6. Step 6: Final answer
    x = 23,659.30

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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.