Home / 125,689.47-173,454.56-69,100.95

Finding the Fourth Proportional to 125,689.47, 173,454.56 and 69,100.95

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Solution

The fourth proportional to 125,689.47, 173,454.56 and 69,100.95 is: 95,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,689.47 : 173,454.56 = 69,100.95 : x
  2. Step 2: Convert to fraction form
    125,689.47/173,454.56 = 69,100.95/x
  3. Step 3: Cross multiply
    125,689.47x = 173,454.56 × 69,100.95
  4. Step 4: Simplify right side
    125,689.47x = 11,985,874,532.33
  5. Step 5: Solve for x
    x = 11,985,874,532.33/125,689.47
  6. Step 6: Final answer
    x = 95,361.01

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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.