Home / 81,159.73-112,000.98-45,351.25

Finding the Fourth Proportional to 81,159.73, 112,000.98 and 45,351.25

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Solution

The fourth proportional to 81,159.73, 112,000.98 and 45,351.25 is: 62,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,159.73 : 112,000.98 = 45,351.25 : x
  2. Step 2: Convert to fraction form
    81,159.73/112,000.98 = 45,351.25/x
  3. Step 3: Cross multiply
    81,159.73x = 112,000.98 × 45,351.25
  4. Step 4: Simplify right side
    81,159.73x = 5,079,384,444.23
  5. Step 5: Solve for x
    x = 5,079,384,444.23/81,159.73
  6. Step 6: Final answer
    x = 62,585.03

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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.