Home / 79,026.11-109,054.97-45,036.62

Finding the Fourth Proportional to 79,026.11, 109,054.97 and 45,036.62

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Solution

The fourth proportional to 79,026.11, 109,054.97 and 45,036.62 is: 62,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,026.11 : 109,054.97 = 45,036.62 : x
  2. Step 2: Convert to fraction form
    79,026.11/109,054.97 = 45,036.62/x
  3. Step 3: Cross multiply
    79,026.11x = 109,054.97 × 45,036.62
  4. Step 4: Simplify right side
    79,026.11x = 4,911,466,697.73
  5. Step 5: Solve for x
    x = 4,911,466,697.73/79,026.11
  6. Step 6: Final answer
    x = 62,149.93

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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.