Home / 81,392.92-112,323.02-45,095.14

Finding the Fourth Proportional to 81,392.92, 112,323.02 and 45,095.14

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Solution

The fourth proportional to 81,392.92, 112,323.02 and 45,095.14 is: 62,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,392.92 : 112,323.02 = 45,095.14 : x
  2. Step 2: Convert to fraction form
    81,392.92/112,323.02 = 45,095.14/x
  3. Step 3: Cross multiply
    81,392.92x = 112,323.02 × 45,095.14
  4. Step 4: Simplify right side
    81,392.92x = 5,065,222,312.12
  5. Step 5: Solve for x
    x = 5,065,222,312.12/81,392.92
  6. Step 6: Final answer
    x = 62,231.73

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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.