Home / 99,209.38-136,842.33-61,502.26

Finding the Fourth Proportional to 99,209.38, 136,842.33 and 61,502.26

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Solution

The fourth proportional to 99,209.38, 136,842.33 and 61,502.26 is: 84,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,209.38 : 136,842.33 = 61,502.26 : x
  2. Step 2: Convert to fraction form
    99,209.38/136,842.33 = 61,502.26/x
  3. Step 3: Cross multiply
    99,209.38x = 136,842.33 × 61,502.26
  4. Step 4: Simplify right side
    99,209.38x = 8,416,112,558.67
  5. Step 5: Solve for x
    x = 8,416,112,558.67/99,209.38
  6. Step 6: Final answer
    x = 84,831.82

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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.