Home / 81,167.15-112,008.51-45,357.45

Finding the Fourth Proportional to 81,167.15, 112,008.51 and 45,357.45

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Solution

The fourth proportional to 81,167.15, 112,008.51 and 45,357.45 is: 62,592.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,167.15 : 112,008.51 = 45,357.45 : x
  2. Step 2: Convert to fraction form
    81,167.15/112,008.51 = 45,357.45/x
  3. Step 3: Cross multiply
    81,167.15x = 112,008.51 × 45,357.45
  4. Step 4: Simplify right side
    81,167.15x = 5,080,420,391.90
  5. Step 5: Solve for x
    x = 5,080,420,391.90/81,167.15
  6. Step 6: Final answer
    x = 62,592.08

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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.