Home / 82,938.65-124,426.20-26,769.20

Finding the Fourth Proportional to 82,938.65, 124,426.20 and 26,769.20

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Solution

The fourth proportional to 82,938.65, 124,426.20 and 26,769.20 is: 40,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,938.65 : 124,426.20 = 26,769.20 : x
  2. Step 2: Convert to fraction form
    82,938.65/124,426.20 = 26,769.20/x
  3. Step 3: Cross multiply
    82,938.65x = 124,426.20 × 26,769.20
  4. Step 4: Simplify right side
    82,938.65x = 3,330,789,833.04
  5. Step 5: Solve for x
    x = 3,330,789,833.04/82,938.65
  6. Step 6: Final answer
    x = 40,159.68

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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.