Home / 82,807.16-124,247.66-30,204.34

Finding the Fourth Proportional to 82,807.16, 124,247.66 and 30,204.34

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Solution

The fourth proportional to 82,807.16, 124,247.66 and 30,204.34 is: 45,319.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,807.16 : 124,247.66 = 30,204.34 : x
  2. Step 2: Convert to fraction form
    82,807.16/124,247.66 = 30,204.34/x
  3. Step 3: Cross multiply
    82,807.16x = 124,247.66 × 30,204.34
  4. Step 4: Simplify right side
    82,807.16x = 3,752,818,105.20
  5. Step 5: Solve for x
    x = 3,752,818,105.20/82,807.16
  6. Step 6: Final answer
    x = 45,319.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.