Home / 98,862.18-136,429.92-53,540.24

Finding the Fourth Proportional to 98,862.18, 136,429.92 and 53,540.24

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Solution

The fourth proportional to 98,862.18, 136,429.92 and 53,540.24 is: 73,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,862.18 : 136,429.92 = 53,540.24 : x
  2. Step 2: Convert to fraction form
    98,862.18/136,429.92 = 53,540.24/x
  3. Step 3: Cross multiply
    98,862.18x = 136,429.92 × 53,540.24
  4. Step 4: Simplify right side
    98,862.18x = 7,304,490,659.98
  5. Step 5: Solve for x
    x = 7,304,490,659.98/98,862.18
  6. Step 6: Final answer
    x = 73,885.59

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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.