Home / 125,677.43-173,415.51-74,671.28

Finding the Fourth Proportional to 125,677.43, 173,415.51 and 74,671.28

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Solution

The fourth proportional to 125,677.43, 173,415.51 and 74,671.28 is: 103,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,677.43 : 173,415.51 = 74,671.28 : x
  2. Step 2: Convert to fraction form
    125,677.43/173,415.51 = 74,671.28/x
  3. Step 3: Cross multiply
    125,677.43x = 173,415.51 × 74,671.28
  4. Step 4: Simplify right side
    125,677.43x = 12,949,157,886.78
  5. Step 5: Solve for x
    x = 12,949,157,886.78/125,677.43
  6. Step 6: Final answer
    x = 103,034.87

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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.