Home / 81,180.32-112,024.68-45,363.32

Finding the Fourth Proportional to 81,180.32, 112,024.68 and 45,363.32

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Solution

The fourth proportional to 81,180.32, 112,024.68 and 45,363.32 is: 62,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,180.32 : 112,024.68 = 45,363.32 : x
  2. Step 2: Convert to fraction form
    81,180.32/112,024.68 = 45,363.32/x
  3. Step 3: Cross multiply
    81,180.32x = 112,024.68 × 45,363.32
  4. Step 4: Simplify right side
    81,180.32x = 5,081,811,406.74
  5. Step 5: Solve for x
    x = 5,081,811,406.74/81,180.32
  6. Step 6: Final answer
    x = 62,599.06

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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.