Home / 79,026.08-109,066.43-45,046.85

Finding the Fourth Proportional to 79,026.08, 109,066.43 and 45,046.85

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Solution

The fourth proportional to 79,026.08, 109,066.43 and 45,046.85 is: 62,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,026.08 : 109,066.43 = 45,046.85 : x
  2. Step 2: Convert to fraction form
    79,026.08/109,066.43 = 45,046.85/x
  3. Step 3: Cross multiply
    79,026.08x = 109,066.43 × 45,046.85
  4. Step 4: Simplify right side
    79,026.08x = 4,913,098,679.53
  5. Step 5: Solve for x
    x = 4,913,098,679.53/79,026.08
  6. Step 6: Final answer
    x = 62,170.60

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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.