Home / 89,009.44-122,829.10-48,724.90

Finding the Fourth Proportional to 89,009.44, 122,829.10 and 48,724.90

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Solution

The fourth proportional to 89,009.44, 122,829.10 and 48,724.90 is: 67,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,009.44 : 122,829.10 = 48,724.90 : x
  2. Step 2: Convert to fraction form
    89,009.44/122,829.10 = 48,724.90/x
  3. Step 3: Cross multiply
    89,009.44x = 122,829.10 × 48,724.90
  4. Step 4: Simplify right side
    89,009.44x = 5,984,835,614.59
  5. Step 5: Solve for x
    x = 5,984,835,614.59/89,009.44
  6. Step 6: Final answer
    x = 67,238.21

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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.