Home / 125,254.38-172,853.27-67,895.58

Finding the Fourth Proportional to 125,254.38, 172,853.27 and 67,895.58

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Solution

The fourth proportional to 125,254.38, 172,853.27 and 67,895.58 is: 93,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,254.38 : 172,853.27 = 67,895.58 : x
  2. Step 2: Convert to fraction form
    125,254.38/172,853.27 = 67,895.58/x
  3. Step 3: Cross multiply
    125,254.38x = 172,853.27 × 67,895.58
  4. Step 4: Simplify right side
    125,254.38x = 11,735,971,817.80
  5. Step 5: Solve for x
    x = 11,735,971,817.80/125,254.38
  6. Step 6: Final answer
    x = 93,697.10

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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.