Home / 57,875.28-86,723.08-40,140.52

Finding the Fourth Proportional to 57,875.28, 86,723.08 and 40,140.52

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Solution

The fourth proportional to 57,875.28, 86,723.08 and 40,140.52 is: 60,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,875.28 : 86,723.08 = 40,140.52 : x
  2. Step 2: Convert to fraction form
    57,875.28/86,723.08 = 40,140.52/x
  3. Step 3: Cross multiply
    57,875.28x = 86,723.08 × 40,140.52
  4. Step 4: Simplify right side
    57,875.28x = 3,481,109,527.20
  5. Step 5: Solve for x
    x = 3,481,109,527.20/57,875.28
  6. Step 6: Final answer
    x = 60,148.47

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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.