Home / 125,930.72-173,785.56-69,342.32

Finding the Fourth Proportional to 125,930.72, 173,785.56 and 69,342.32

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Solution

The fourth proportional to 125,930.72, 173,785.56 and 69,342.32 is: 95,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,930.72 : 173,785.56 = 69,342.32 : x
  2. Step 2: Convert to fraction form
    125,930.72/173,785.56 = 69,342.32/x
  3. Step 3: Cross multiply
    125,930.72x = 173,785.56 × 69,342.32
  4. Step 4: Simplify right side
    125,930.72x = 12,050,693,912.90
  5. Step 5: Solve for x
    x = 12,050,693,912.90/125,930.72
  6. Step 6: Final answer
    x = 95,693.04

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1.5x scale

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.