Home / 81,276.55-112,165.86-45,467.16

Finding the Fourth Proportional to 81,276.55, 112,165.86 and 45,467.16

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Solution

The fourth proportional to 81,276.55, 112,165.86 and 45,467.16 is: 62,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,276.55 : 112,165.86 = 45,467.16 : x
  2. Step 2: Convert to fraction form
    81,276.55/112,165.86 = 45,467.16/x
  3. Step 3: Cross multiply
    81,276.55x = 112,165.86 × 45,467.16
  4. Step 4: Simplify right side
    81,276.55x = 5,099,862,853.04
  5. Step 5: Solve for x
    x = 5,099,862,853.04/81,276.55
  6. Step 6: Final answer
    x = 62,747.04

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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.