Home / 99,927.20-137,901.08-59,664.53

Finding the Fourth Proportional to 99,927.20, 137,901.08 and 59,664.53

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Solution

The fourth proportional to 99,927.20, 137,901.08 and 59,664.53 is: 82,337.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,927.20 : 137,901.08 = 59,664.53 : x
  2. Step 2: Convert to fraction form
    99,927.20/137,901.08 = 59,664.53/x
  3. Step 3: Cross multiply
    99,927.20x = 137,901.08 × 59,664.53
  4. Step 4: Simplify right side
    99,927.20x = 8,227,803,618.61
  5. Step 5: Solve for x
    x = 8,227,803,618.61/99,927.20
  6. Step 6: Final answer
    x = 82,337.98

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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.