Home / 86,386.56-129,468.60-41,927.28

Finding the Fourth Proportional to 86,386.56, 129,468.60 and 41,927.28

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Solution

The fourth proportional to 86,386.56, 129,468.60 and 41,927.28 is: 62,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,386.56 : 129,468.60 = 41,927.28 : x
  2. Step 2: Convert to fraction form
    86,386.56/129,468.60 = 41,927.28/x
  3. Step 3: Cross multiply
    86,386.56x = 129,468.60 × 41,927.28
  4. Step 4: Simplify right side
    86,386.56x = 5,428,266,243.41
  5. Step 5: Solve for x
    x = 5,428,266,243.41/86,386.56
  6. Step 6: Final answer
    x = 62,836.93

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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.