Home / 125,742.59-173,482.27-71,288.92

Finding the Fourth Proportional to 125,742.59, 173,482.27 and 71,288.92

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Solution

The fourth proportional to 125,742.59, 173,482.27 and 71,288.92 is: 98,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,742.59 : 173,482.27 = 71,288.92 : x
  2. Step 2: Convert to fraction form
    125,742.59/173,482.27 = 71,288.92/x
  3. Step 3: Cross multiply
    125,742.59x = 173,482.27 × 71,288.92
  4. Step 4: Simplify right side
    125,742.59x = 12,367,363,667.45
  5. Step 5: Solve for x
    x = 12,367,363,667.45/125,742.59
  6. Step 6: Final answer
    x = 98,354.61

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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.