Home / 71,727.56-107,468.28-40,130.84

Finding the Fourth Proportional to 71,727.56, 107,468.28 and 40,130.84

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Solution

The fourth proportional to 71,727.56, 107,468.28 and 40,130.84 is: 60,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,727.56 : 107,468.28 = 40,130.84 : x
  2. Step 2: Convert to fraction form
    71,727.56/107,468.28 = 40,130.84/x
  3. Step 3: Cross multiply
    71,727.56x = 107,468.28 × 40,130.84
  4. Step 4: Simplify right side
    71,727.56x = 4,312,792,349.76
  5. Step 5: Solve for x
    x = 4,312,792,349.76/71,727.56
  6. Step 6: Final answer
    x = 60,127.41

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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.