Home / 91,839.42-126,737.32-51,552.14

Finding the Fourth Proportional to 91,839.42, 126,737.32 and 51,552.14

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Solution

The fourth proportional to 91,839.42, 126,737.32 and 51,552.14 is: 71,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,839.42 : 126,737.32 = 51,552.14 : x
  2. Step 2: Convert to fraction form
    91,839.42/126,737.32 = 51,552.14/x
  3. Step 3: Cross multiply
    91,839.42x = 126,737.32 × 51,552.14
  4. Step 4: Simplify right side
    91,839.42x = 6,533,579,806.10
  5. Step 5: Solve for x
    x = 6,533,579,806.10/91,839.42
  6. Step 6: Final answer
    x = 71,141.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.