Home / 88,651.40-122,338.74-48,365.20

Finding the Fourth Proportional to 88,651.40, 122,338.74 and 48,365.20

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Solution

The fourth proportional to 88,651.40, 122,338.74 and 48,365.20 is: 66,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,651.40 : 122,338.74 = 48,365.20 : x
  2. Step 2: Convert to fraction form
    88,651.40/122,338.74 = 48,365.20/x
  3. Step 3: Cross multiply
    88,651.40x = 122,338.74 × 48,365.20
  4. Step 4: Simplify right side
    88,651.40x = 5,916,937,627.85
  5. Step 5: Solve for x
    x = 5,916,937,627.85/88,651.40
  6. Step 6: Final answer
    x = 66,743.87

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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.