Home / 104,433.90-144,119.52-56,687.24

Finding the Fourth Proportional to 104,433.90, 144,119.52 and 56,687.24

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Solution

The fourth proportional to 104,433.90, 144,119.52 and 56,687.24 is: 78,228.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,433.90 : 144,119.52 = 56,687.24 : x
  2. Step 2: Convert to fraction form
    104,433.90/144,119.52 = 56,687.24/x
  3. Step 3: Cross multiply
    104,433.90x = 144,119.52 × 56,687.24
  4. Step 4: Simplify right side
    104,433.90x = 8,169,737,818.92
  5. Step 5: Solve for x
    x = 8,169,737,818.92/104,433.90
  6. Step 6: Final answer
    x = 78,228.79

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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.