Home / 89,070.36-122,917.28-48,234.92

Finding the Fourth Proportional to 89,070.36, 122,917.28 and 48,234.92

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Solution

The fourth proportional to 89,070.36, 122,917.28 and 48,234.92 is: 66,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,070.36 : 122,917.28 = 48,234.92 : x
  2. Step 2: Convert to fraction form
    89,070.36/122,917.28 = 48,234.92/x
  3. Step 3: Cross multiply
    89,070.36x = 122,917.28 × 48,234.92
  4. Step 4: Simplify right side
    89,070.36x = 5,928,905,167.42
  5. Step 5: Solve for x
    x = 5,928,905,167.42/89,070.36
  6. Step 6: Final answer
    x = 66,564.29

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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.