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Finding the Fourth Proportional to 81,502.77, 112,479.23 and 45,695.10

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Solution

The fourth proportional to 81,502.77, 112,479.23 and 45,695.10 is: 63,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,502.77 : 112,479.23 = 45,695.10 : x
  2. Step 2: Convert to fraction form
    81,502.77/112,479.23 = 45,695.10/x
  3. Step 3: Cross multiply
    81,502.77x = 112,479.23 × 45,695.10
  4. Step 4: Simplify right side
    81,502.77x = 5,139,749,777.01
  5. Step 5: Solve for x
    x = 5,139,749,777.01/81,502.77
  6. Step 6: Final answer
    x = 63,062.27

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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.