Home / 125,934.06-173,788.20-69,345

Finding the Fourth Proportional to 125,934.06, 173,788.20 and 69,345

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Solution

The fourth proportional to 125,934.06, 173,788.20 and 69,345 is: 95,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,934.06 : 173,788.20 = 69,345 : x
  2. Step 2: Convert to fraction form
    125,934.06/173,788.20 = 69,345/x
  3. Step 3: Cross multiply
    125,934.06x = 173,788.20 × 69,345
  4. Step 4: Simplify right side
    125,934.06x = 12,051,342,729
  5. Step 5: Solve for x
    x = 12,051,342,729/125,934.06
  6. Step 6: Final answer
    x = 95,695.66

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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.