Home / 89,064.61-122,909.36-48,229.18

Finding the Fourth Proportional to 89,064.61, 122,909.36 and 48,229.18

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Solution

The fourth proportional to 89,064.61, 122,909.36 and 48,229.18 is: 66,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,064.61 : 122,909.36 = 48,229.18 : x
  2. Step 2: Convert to fraction form
    89,064.61/122,909.36 = 48,229.18/x
  3. Step 3: Cross multiply
    89,064.61x = 122,909.36 × 48,229.18
  4. Step 4: Simplify right side
    89,064.61x = 5,927,817,098.71
  5. Step 5: Solve for x
    x = 5,927,817,098.71/89,064.61
  6. Step 6: Final answer
    x = 66,556.37

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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.