Home / 81,071.66-111,874.19-45,263.92

Finding the Fourth Proportional to 81,071.66, 111,874.19 and 45,263.92

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Solution

The fourth proportional to 81,071.66, 111,874.19 and 45,263.92 is: 62,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,071.66 : 111,874.19 = 45,263.92 : x
  2. Step 2: Convert to fraction form
    81,071.66/111,874.19 = 45,263.92/x
  3. Step 3: Cross multiply
    81,071.66x = 111,874.19 × 45,263.92
  4. Step 4: Simplify right side
    81,071.66x = 5,063,864,386.22
  5. Step 5: Solve for x
    x = 5,063,864,386.22/81,071.66
  6. Step 6: Final answer
    x = 62,461.59

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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.