Home / 104,534.04-144,257.15-56,787.43

Finding the Fourth Proportional to 104,534.04, 144,257.15 and 56,787.43

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Solution

The fourth proportional to 104,534.04, 144,257.15 and 56,787.43 is: 78,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,534.04 : 144,257.15 = 56,787.43 : x
  2. Step 2: Convert to fraction form
    104,534.04/144,257.15 = 56,787.43/x
  3. Step 3: Cross multiply
    104,534.04x = 144,257.15 × 56,787.43
  4. Step 4: Simplify right side
    104,534.04x = 8,191,992,859.43
  5. Step 5: Solve for x
    x = 8,191,992,859.43/104,534.04
  6. Step 6: Final answer
    x = 78,366.75

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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.