Home / 79,082.76-109,130.04-45,092.10

Finding the Fourth Proportional to 79,082.76, 109,130.04 and 45,092.10

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Solution

The fourth proportional to 79,082.76, 109,130.04 and 45,092.10 is: 62,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,082.76 : 109,130.04 = 45,092.10 : x
  2. Step 2: Convert to fraction form
    79,082.76/109,130.04 = 45,092.10/x
  3. Step 3: Cross multiply
    79,082.76x = 109,130.04 × 45,092.10
  4. Step 4: Simplify right side
    79,082.76x = 4,920,902,676.68
  5. Step 5: Solve for x
    x = 4,920,902,676.68/79,082.76
  6. Step 6: Final answer
    x = 62,224.72

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1.5x scale

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.