Home / 104,463.38-144,159.86-56,716.72

Finding the Fourth Proportional to 104,463.38, 144,159.86 and 56,716.72

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Solution

The fourth proportional to 104,463.38, 144,159.86 and 56,716.72 is: 78,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,463.38 : 144,159.86 = 56,716.72 : x
  2. Step 2: Convert to fraction form
    104,463.38/144,159.86 = 56,716.72/x
  3. Step 3: Cross multiply
    104,463.38x = 144,159.86 × 56,716.72
  4. Step 4: Simplify right side
    104,463.38x = 8,176,274,414.86
  5. Step 5: Solve for x
    x = 8,176,274,414.86/104,463.38
  6. Step 6: Final answer
    x = 78,269.29

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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.