Home / 82,886.00-124,329.87-66,351.15

Finding the Fourth Proportional to 82,886.00, 124,329.87 and 66,351.15

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Solution

The fourth proportional to 82,886.00, 124,329.87 and 66,351.15 is: 99,527.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,886.00 : 124,329.87 = 66,351.15 : x
  2. Step 2: Convert to fraction form
    82,886.00/124,329.87 = 66,351.15/x
  3. Step 3: Cross multiply
    82,886.00x = 124,329.87 × 66,351.15
  4. Step 4: Simplify right side
    82,886.00x = 8,249,429,853.85
  5. Step 5: Solve for x
    x = 8,249,429,853.85/82,886.00
  6. Step 6: Final answer
    x = 99,527.42

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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.