Home / 91,824.30-137,736.45-62,081.10

Finding the Fourth Proportional to 91,824.30, 137,736.45 and 62,081.10

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Solution

The fourth proportional to 91,824.30, 137,736.45 and 62,081.10 is: 93,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,824.30 : 137,736.45 = 62,081.10 : x
  2. Step 2: Convert to fraction form
    91,824.30/137,736.45 = 62,081.10/x
  3. Step 3: Cross multiply
    91,824.30x = 137,736.45 × 62,081.10
  4. Step 4: Simplify right side
    91,824.30x = 8,550,830,326.10
  5. Step 5: Solve for x
    x = 8,550,830,326.10/91,824.30
  6. Step 6: Final answer
    x = 93,121.65

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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.