Home / 99,149.15-136,775.14-63,301.49

Finding the Fourth Proportional to 99,149.15, 136,775.14 and 63,301.49

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Solution

The fourth proportional to 99,149.15, 136,775.14 and 63,301.49 is: 87,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,149.15 : 136,775.14 = 63,301.49 : x
  2. Step 2: Convert to fraction form
    99,149.15/136,775.14 = 63,301.49/x
  3. Step 3: Cross multiply
    99,149.15x = 136,775.14 × 63,301.49
  4. Step 4: Simplify right side
    99,149.15x = 8,658,070,156.96
  5. Step 5: Solve for x
    x = 8,658,070,156.96/99,149.15
  6. Step 6: Final answer
    x = 87,323.70

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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.