Home / 81,169.17-112,024.06-45,366.63

Finding the Fourth Proportional to 81,169.17, 112,024.06 and 45,366.63

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Solution

The fourth proportional to 81,169.17, 112,024.06 and 45,366.63 is: 62,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,169.17 : 112,024.06 = 45,366.63 : x
  2. Step 2: Convert to fraction form
    81,169.17/112,024.06 = 45,366.63/x
  3. Step 3: Cross multiply
    81,169.17x = 112,024.06 × 45,366.63
  4. Step 4: Simplify right side
    81,169.17x = 5,082,154,081.12
  5. Step 5: Solve for x
    x = 5,082,154,081.12/81,169.17
  6. Step 6: Final answer
    x = 62,611.88

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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.