Home / 99,827.06-149,747.76-31,432.73

Finding the Fourth Proportional to 99,827.06, 149,747.76 and 31,432.73

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Solution

The fourth proportional to 99,827.06, 149,747.76 and 31,432.73 is: 47,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,827.06 : 149,747.76 = 31,432.73 : x
  2. Step 2: Convert to fraction form
    99,827.06/149,747.76 = 31,432.73/x
  3. Step 3: Cross multiply
    99,827.06x = 149,747.76 × 31,432.73
  4. Step 4: Simplify right side
    99,827.06x = 4,706,980,159.45
  5. Step 5: Solve for x
    x = 4,706,980,159.45/99,827.06
  6. Step 6: Final answer
    x = 47,151.35

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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.