Home / 82,867.49-124,218-26,666.29

Finding the Fourth Proportional to 82,867.49, 124,218 and 26,666.29

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Solution

The fourth proportional to 82,867.49, 124,218 and 26,666.29 is: 39,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,867.49 : 124,218 = 26,666.29 : x
  2. Step 2: Convert to fraction form
    82,867.49/124,218 = 26,666.29/x
  3. Step 3: Cross multiply
    82,867.49x = 124,218 × 26,666.29
  4. Step 4: Simplify right side
    82,867.49x = 3,312,433,211.22
  5. Step 5: Solve for x
    x = 3,312,433,211.22/82,867.49
  6. Step 6: Final answer
    x = 39,972.65

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1.5x scale

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.