Home / 125,987.02-173,862.33-68,626.17

Finding the Fourth Proportional to 125,987.02, 173,862.33 and 68,626.17

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Solution

The fourth proportional to 125,987.02, 173,862.33 and 68,626.17 is: 94,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,987.02 : 173,862.33 = 68,626.17 : x
  2. Step 2: Convert to fraction form
    125,987.02/173,862.33 = 68,626.17/x
  3. Step 3: Cross multiply
    125,987.02x = 173,862.33 × 68,626.17
  4. Step 4: Simplify right side
    125,987.02x = 11,931,505,815.18
  5. Step 5: Solve for x
    x = 11,931,505,815.18/125,987.02
  6. Step 6: Final answer
    x = 94,704.25

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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.