Home / 89,029.50-122,860.65-48,743.25

Finding the Fourth Proportional to 89,029.50, 122,860.65 and 48,743.25

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Solution

The fourth proportional to 89,029.50, 122,860.65 and 48,743.25 is: 67,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,029.50 : 122,860.65 = 48,743.25 : x
  2. Step 2: Convert to fraction form
    89,029.50/122,860.65 = 48,743.25/x
  3. Step 3: Cross multiply
    89,029.50x = 122,860.65 × 48,743.25
  4. Step 4: Simplify right side
    89,029.50x = 5,988,627,378.11
  5. Step 5: Solve for x
    x = 5,988,627,378.11/89,029.50
  6. Step 6: Final answer
    x = 67,265.65

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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.