Home / 91,732.06-126,591.53-55,428.47

Finding the Fourth Proportional to 91,732.06, 126,591.53 and 55,428.47

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Solution

The fourth proportional to 91,732.06, 126,591.53 and 55,428.47 is: 76,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,732.06 : 126,591.53 = 55,428.47 : x
  2. Step 2: Convert to fraction form
    91,732.06/126,591.53 = 55,428.47/x
  3. Step 3: Cross multiply
    91,732.06x = 126,591.53 × 55,428.47
  4. Step 4: Simplify right side
    91,732.06x = 7,016,774,387.48
  5. Step 5: Solve for x
    x = 7,016,774,387.48/91,732.06
  6. Step 6: Final answer
    x = 76,492.06

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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.