Home / 125,976.15-173,847.08-69,387.52

Finding the Fourth Proportional to 125,976.15, 173,847.08 and 69,387.52

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Solution

The fourth proportional to 125,976.15, 173,847.08 and 69,387.52 is: 95,754.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976.15 : 173,847.08 = 69,387.52 : x
  2. Step 2: Convert to fraction form
    125,976.15/173,847.08 = 69,387.52/x
  3. Step 3: Cross multiply
    125,976.15x = 173,847.08 × 69,387.52
  4. Step 4: Simplify right side
    125,976.15x = 12,062,817,740.44
  5. Step 5: Solve for x
    x = 12,062,817,740.44/125,976.15
  6. Step 6: Final answer
    x = 95,754.77

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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.