Home / 91,356.53-126,097.48-62,680.86

Finding the Fourth Proportional to 91,356.53, 126,097.48 and 62,680.86

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Solution

The fourth proportional to 91,356.53, 126,097.48 and 62,680.86 is: 86,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,356.53 : 126,097.48 = 62,680.86 : x
  2. Step 2: Convert to fraction form
    91,356.53/126,097.48 = 62,680.86/x
  3. Step 3: Cross multiply
    91,356.53x = 126,097.48 × 62,680.86
  4. Step 4: Simplify right side
    91,356.53x = 7,903,898,490.23
  5. Step 5: Solve for x
    x = 7,903,898,490.23/91,356.53
  6. Step 6: Final answer
    x = 86,517.07

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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.