Home / 81,541.91-112,518.77-45,724.73

Finding the Fourth Proportional to 81,541.91, 112,518.77 and 45,724.73

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Solution

The fourth proportional to 81,541.91, 112,518.77 and 45,724.73 is: 63,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,541.91 : 112,518.77 = 45,724.73 : x
  2. Step 2: Convert to fraction form
    81,541.91/112,518.77 = 45,724.73/x
  3. Step 3: Cross multiply
    81,541.91x = 112,518.77 × 45,724.73
  4. Step 4: Simplify right side
    81,541.91x = 5,144,889,586.96
  5. Step 5: Solve for x
    x = 5,144,889,586.96/81,541.91
  6. Step 6: Final answer
    x = 63,095.04

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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.