Home / 125,934.50-173,789.61-69,345.74

Finding the Fourth Proportional to 125,934.50, 173,789.61 and 69,345.74

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Solution

The fourth proportional to 125,934.50, 173,789.61 and 69,345.74 is: 95,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,934.50 : 173,789.61 = 69,345.74 : x
  2. Step 2: Convert to fraction form
    125,934.50/173,789.61 = 69,345.74/x
  3. Step 3: Cross multiply
    125,934.50x = 173,789.61 × 69,345.74
  4. Step 4: Simplify right side
    125,934.50x = 12,051,569,109.76
  5. Step 5: Solve for x
    x = 12,051,569,109.76/125,934.50
  6. Step 6: Final answer
    x = 95,697.12

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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.