Home / 79,522.69-109,741.54-45,531.70

Finding the Fourth Proportional to 79,522.69, 109,741.54 and 45,531.70

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Solution

The fourth proportional to 79,522.69, 109,741.54 and 45,531.70 is: 62,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,522.69 : 109,741.54 = 45,531.70 : x
  2. Step 2: Convert to fraction form
    79,522.69/109,741.54 = 45,531.70/x
  3. Step 3: Cross multiply
    79,522.69x = 109,741.54 × 45,531.70
  4. Step 4: Simplify right side
    79,522.69x = 4,996,718,488.63
  5. Step 5: Solve for x
    x = 4,996,718,488.63/79,522.69
  6. Step 6: Final answer
    x = 62,833.87

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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.