Home / 82,886.06-124,329.94-66,351.20

Finding the Fourth Proportional to 82,886.06, 124,329.94 and 66,351.20

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Solution

The fourth proportional to 82,886.06, 124,329.94 and 66,351.20 is: 99,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,886.06 : 124,329.94 = 66,351.20 : x
  2. Step 2: Convert to fraction form
    82,886.06/124,329.94 = 66,351.20/x
  3. Step 3: Cross multiply
    82,886.06x = 124,329.94 × 66,351.20
  4. Step 4: Simplify right side
    82,886.06x = 8,249,440,714.93
  5. Step 5: Solve for x
    x = 8,249,440,714.93/82,886.06
  6. Step 6: Final answer
    x = 99,527.48

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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.