Home / 86,116.90-129,122.52-33,464.92

Finding the Fourth Proportional to 86,116.90, 129,122.52 and 33,464.92

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Solution

The fourth proportional to 86,116.90, 129,122.52 and 33,464.92 is: 50,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,116.90 : 129,122.52 = 33,464.92 : x
  2. Step 2: Convert to fraction form
    86,116.90/129,122.52 = 33,464.92/x
  3. Step 3: Cross multiply
    86,116.90x = 129,122.52 × 33,464.92
  4. Step 4: Simplify right side
    86,116.90x = 4,321,074,802.00
  5. Step 5: Solve for x
    x = 4,321,074,802.00/86,116.90
  6. Step 6: Final answer
    x = 50,176.85

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1.5x scale

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.