Home / 99,702.05-149,201.73-62,279.73

Finding the Fourth Proportional to 99,702.05, 149,201.73 and 62,279.73

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Solution

The fourth proportional to 99,702.05, 149,201.73 and 62,279.73 is: 93,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,702.05 : 149,201.73 = 62,279.73 : x
  2. Step 2: Convert to fraction form
    99,702.05/149,201.73 = 62,279.73/x
  3. Step 3: Cross multiply
    99,702.05x = 149,201.73 × 62,279.73
  4. Step 4: Simplify right side
    99,702.05x = 9,292,243,459.93
  5. Step 5: Solve for x
    x = 9,292,243,459.93/99,702.05
  6. Step 6: Final answer
    x = 93,200.13

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1.5x scale

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.