Home / 106,885.10-147,500.49-63,862.26

Finding the Fourth Proportional to 106,885.10, 147,500.49 and 63,862.26

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Solution

The fourth proportional to 106,885.10, 147,500.49 and 63,862.26 is: 88,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,885.10 : 147,500.49 = 63,862.26 : x
  2. Step 2: Convert to fraction form
    106,885.10/147,500.49 = 63,862.26/x
  3. Step 3: Cross multiply
    106,885.10x = 147,500.49 × 63,862.26
  4. Step 4: Simplify right side
    106,885.10x = 9,419,714,328.86
  5. Step 5: Solve for x
    x = 9,419,714,328.86/106,885.10
  6. Step 6: Final answer
    x = 88,129.35

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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.