Home / 104,565.38-144,299.94-56,818.90

Finding the Fourth Proportional to 104,565.38, 144,299.94 and 56,818.90

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Solution

The fourth proportional to 104,565.38, 144,299.94 and 56,818.90 is: 78,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,565.38 : 144,299.94 = 56,818.90 : x
  2. Step 2: Convert to fraction form
    104,565.38/144,299.94 = 56,818.90/x
  3. Step 3: Cross multiply
    104,565.38x = 144,299.94 × 56,818.90
  4. Step 4: Simplify right side
    104,565.38x = 8,198,963,860.87
  5. Step 5: Solve for x
    x = 8,198,963,860.87/104,565.38
  6. Step 6: Final answer
    x = 78,409.93

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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.