Home / 74,079.69-111,123.11-24,159.72

Finding the Fourth Proportional to 74,079.69, 111,123.11 and 24,159.72

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Solution

The fourth proportional to 74,079.69, 111,123.11 and 24,159.72 is: 36,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,079.69 : 111,123.11 = 24,159.72 : x
  2. Step 2: Convert to fraction form
    74,079.69/111,123.11 = 24,159.72/x
  3. Step 3: Cross multiply
    74,079.69x = 111,123.11 × 24,159.72
  4. Step 4: Simplify right side
    74,079.69x = 2,684,703,223.13
  5. Step 5: Solve for x
    x = 2,684,703,223.13/74,079.69
  6. Step 6: Final answer
    x = 36,240.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.