Home / 99,010.92-136,590.78-58,726.38

Finding the Fourth Proportional to 99,010.92, 136,590.78 and 58,726.38

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Solution

The fourth proportional to 99,010.92, 136,590.78 and 58,726.38 is: 81,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,010.92 : 136,590.78 = 58,726.38 : x
  2. Step 2: Convert to fraction form
    99,010.92/136,590.78 = 58,726.38/x
  3. Step 3: Cross multiply
    99,010.92x = 136,590.78 × 58,726.38
  4. Step 4: Simplify right side
    99,010.92x = 8,021,482,050.78
  5. Step 5: Solve for x
    x = 8,021,482,050.78/99,010.92
  6. Step 6: Final answer
    x = 81,016.13

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1.5x scale

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.