Home / 89,025.48-122,800.66-69,876.47

Finding the Fourth Proportional to 89,025.48, 122,800.66 and 69,876.47

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Solution

The fourth proportional to 89,025.48, 122,800.66 and 69,876.47 is: 96,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,025.48 : 122,800.66 = 69,876.47 : x
  2. Step 2: Convert to fraction form
    89,025.48/122,800.66 = 69,876.47/x
  3. Step 3: Cross multiply
    89,025.48x = 122,800.66 × 69,876.47
  4. Step 4: Simplify right side
    89,025.48x = 8,580,876,766.78
  5. Step 5: Solve for x
    x = 8,580,876,766.78/89,025.48
  6. Step 6: Final answer
    x = 96,386.75

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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.