Home / 82,886.19-124,329.16-38,488.66

Finding the Fourth Proportional to 82,886.19, 124,329.16 and 38,488.66

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Solution

The fourth proportional to 82,886.19, 124,329.16 and 38,488.66 is: 57,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,886.19 : 124,329.16 = 38,488.66 : x
  2. Step 2: Convert to fraction form
    82,886.19/124,329.16 = 38,488.66/x
  3. Step 3: Cross multiply
    82,886.19x = 124,329.16 × 38,488.66
  4. Step 4: Simplify right side
    82,886.19x = 4,785,262,767.33
  5. Step 5: Solve for x
    x = 4,785,262,767.33/82,886.19
  6. Step 6: Final answer
    x = 57,732.93

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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.