Home / 86,266.78-129,498.63-57,824.89

Finding the Fourth Proportional to 86,266.78, 129,498.63 and 57,824.89

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Solution

The fourth proportional to 86,266.78, 129,498.63 and 57,824.89 is: 86,803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,266.78 : 129,498.63 = 57,824.89 : x
  2. Step 2: Convert to fraction form
    86,266.78/129,498.63 = 57,824.89/x
  3. Step 3: Cross multiply
    86,266.78x = 129,498.63 × 57,824.89
  4. Step 4: Simplify right side
    86,266.78x = 7,488,244,034.90
  5. Step 5: Solve for x
    x = 7,488,244,034.90/86,266.78
  6. Step 6: Final answer
    x = 86,803.33

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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.