Home / 81,333.13-112,238.62-45,523.14

Finding the Fourth Proportional to 81,333.13, 112,238.62 and 45,523.14

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Solution

The fourth proportional to 81,333.13, 112,238.62 and 45,523.14 is: 62,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,333.13 : 112,238.62 = 45,523.14 : x
  2. Step 2: Convert to fraction form
    81,333.13/112,238.62 = 45,523.14/x
  3. Step 3: Cross multiply
    81,333.13x = 112,238.62 × 45,523.14
  4. Step 4: Simplify right side
    81,333.13x = 5,109,454,411.67
  5. Step 5: Solve for x
    x = 5,109,454,411.67/81,333.13
  6. Step 6: Final answer
    x = 62,821.32

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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.