Home / 90,932.67-125,490.57-52,693.50

Finding the Fourth Proportional to 90,932.67, 125,490.57 and 52,693.50

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Solution

The fourth proportional to 90,932.67, 125,490.57 and 52,693.50 is: 72,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,932.67 : 125,490.57 = 52,693.50 : x
  2. Step 2: Convert to fraction form
    90,932.67/125,490.57 = 52,693.50/x
  3. Step 3: Cross multiply
    90,932.67x = 125,490.57 × 52,693.50
  4. Step 4: Simplify right side
    90,932.67x = 6,612,537,350.30
  5. Step 5: Solve for x
    x = 6,612,537,350.30/90,932.67
  6. Step 6: Final answer
    x = 72,719.05

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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.