Home / 81,468.22-112,430.55-45,669.73

Finding the Fourth Proportional to 81,468.22, 112,430.55 and 45,669.73

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Solution

The fourth proportional to 81,468.22, 112,430.55 and 45,669.73 is: 63,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,468.22 : 112,430.55 = 45,669.73 : x
  2. Step 2: Convert to fraction form
    81,468.22/112,430.55 = 45,669.73/x
  3. Step 3: Cross multiply
    81,468.22x = 112,430.55 × 45,669.73
  4. Step 4: Simplify right side
    81,468.22x = 5,134,672,862.25
  5. Step 5: Solve for x
    x = 5,134,672,862.25/81,468.22
  6. Step 6: Final answer
    x = 63,026.70

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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.