Home / 57,981.55-86,824.66-38,200.13

Finding the Fourth Proportional to 57,981.55, 86,824.66 and 38,200.13

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Solution

The fourth proportional to 57,981.55, 86,824.66 and 38,200.13 is: 57,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981.55 : 86,824.66 = 38,200.13 : x
  2. Step 2: Convert to fraction form
    57,981.55/86,824.66 = 38,200.13/x
  3. Step 3: Cross multiply
    57,981.55x = 86,824.66 × 38,200.13
  4. Step 4: Simplify right side
    57,981.55x = 3,316,713,410.99
  5. Step 5: Solve for x
    x = 3,316,713,410.99/57,981.55
  6. Step 6: Final answer
    x = 57,202.91

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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.