Home / 125,702.32-173,462.64-69,115.60

Finding the Fourth Proportional to 125,702.32, 173,462.64 and 69,115.60

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Solution

The fourth proportional to 125,702.32, 173,462.64 and 69,115.60 is: 95,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,702.32 : 173,462.64 = 69,115.60 : x
  2. Step 2: Convert to fraction form
    125,702.32/173,462.64 = 69,115.60/x
  3. Step 3: Cross multiply
    125,702.32x = 173,462.64 × 69,115.60
  4. Step 4: Simplify right side
    125,702.32x = 11,988,974,441.18
  5. Step 5: Solve for x
    x = 11,988,974,441.18/125,702.32
  6. Step 6: Final answer
    x = 95,375.92

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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.