Home / 98,862.92-136,430.10-53,539.85

Finding the Fourth Proportional to 98,862.92, 136,430.10 and 53,539.85

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Solution

The fourth proportional to 98,862.92, 136,430.10 and 53,539.85 is: 73,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,862.92 : 136,430.10 = 53,539.85 : x
  2. Step 2: Convert to fraction form
    98,862.92/136,430.10 = 53,539.85/x
  3. Step 3: Cross multiply
    98,862.92x = 136,430.10 × 53,539.85
  4. Step 4: Simplify right side
    98,862.92x = 7,304,446,407.33
  5. Step 5: Solve for x
    x = 7,304,446,407.33/98,862.92
  6. Step 6: Final answer
    x = 73,884.59

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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.