Home / 81,264.08-112,138.34-45,447.17

Finding the Fourth Proportional to 81,264.08, 112,138.34 and 45,447.17

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Solution

The fourth proportional to 81,264.08, 112,138.34 and 45,447.17 is: 62,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,264.08 : 112,138.34 = 45,447.17 : x
  2. Step 2: Convert to fraction form
    81,264.08/112,138.34 = 45,447.17/x
  3. Step 3: Cross multiply
    81,264.08x = 112,138.34 × 45,447.17
  4. Step 4: Simplify right side
    81,264.08x = 5,096,370,173.21
  5. Step 5: Solve for x
    x = 5,096,370,173.21/81,264.08
  6. Step 6: Final answer
    x = 62,713.69

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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.