Home / 79,379.38-109,549.02-52,475.23

Finding the Fourth Proportional to 79,379.38, 109,549.02 and 52,475.23

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Solution

The fourth proportional to 79,379.38, 109,549.02 and 52,475.23 is: 72,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,379.38 : 109,549.02 = 52,475.23 : x
  2. Step 2: Convert to fraction form
    79,379.38/109,549.02 = 52,475.23/x
  3. Step 3: Cross multiply
    79,379.38x = 109,549.02 × 52,475.23
  4. Step 4: Simplify right side
    79,379.38x = 5,748,610,020.77
  5. Step 5: Solve for x
    x = 5,748,610,020.77/79,379.38
  6. Step 6: Final answer
    x = 72,419.44

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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.