Home / 89,114.28-122,976.10-52,840.14

Finding the Fourth Proportional to 89,114.28, 122,976.10 and 52,840.14

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Solution

The fourth proportional to 89,114.28, 122,976.10 and 52,840.14 is: 72,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,114.28 : 122,976.10 = 52,840.14 : x
  2. Step 2: Convert to fraction form
    89,114.28/122,976.10 = 52,840.14/x
  3. Step 3: Cross multiply
    89,114.28x = 122,976.10 × 52,840.14
  4. Step 4: Simplify right side
    89,114.28x = 6,498,074,340.65
  5. Step 5: Solve for x
    x = 6,498,074,340.65/89,114.28
  6. Step 6: Final answer
    x = 72,918.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.