Home / 86,284.62-129,260.97-52,907.31

Finding the Fourth Proportional to 86,284.62, 129,260.97 and 52,907.31

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Solution

The fourth proportional to 86,284.62, 129,260.97 and 52,907.31 is: 79,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,284.62 : 129,260.97 = 52,907.31 : x
  2. Step 2: Convert to fraction form
    86,284.62/129,260.97 = 52,907.31/x
  3. Step 3: Cross multiply
    86,284.62x = 129,260.97 × 52,907.31
  4. Step 4: Simplify right side
    86,284.62x = 6,838,850,210.69
  5. Step 5: Solve for x
    x = 6,838,850,210.69/86,284.62
  6. Step 6: Final answer
    x = 79,259.20

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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.