Home / 86,390.04-129,576.31-23,201.95

Finding the Fourth Proportional to 86,390.04, 129,576.31 and 23,201.95

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Solution

The fourth proportional to 86,390.04, 129,576.31 and 23,201.95 is: 34,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,390.04 : 129,576.31 = 23,201.95 : x
  2. Step 2: Convert to fraction form
    86,390.04/129,576.31 = 23,201.95/x
  3. Step 3: Cross multiply
    86,390.04x = 129,576.31 × 23,201.95
  4. Step 4: Simplify right side
    86,390.04x = 3,006,423,065.80
  5. Step 5: Solve for x
    x = 3,006,423,065.80/86,390.04
  6. Step 6: Final answer
    x = 34,800.57

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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.