Home / 99,918.46-149,951.51-47,327.95

Finding the Fourth Proportional to 99,918.46, 149,951.51 and 47,327.95

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Solution

The fourth proportional to 99,918.46, 149,951.51 and 47,327.95 is: 71,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,918.46 : 149,951.51 = 47,327.95 : x
  2. Step 2: Convert to fraction form
    99,918.46/149,951.51 = 47,327.95/x
  3. Step 3: Cross multiply
    99,918.46x = 149,951.51 × 47,327.95
  4. Step 4: Simplify right side
    99,918.46x = 7,096,897,567.70
  5. Step 5: Solve for x
    x = 7,096,897,567.70/99,918.46
  6. Step 6: Final answer
    x = 71,026.89

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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.