Home / 88,336.80-132,332.40-60,343.20

Finding the Fourth Proportional to 88,336.80, 132,332.40 and 60,343.20

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Solution

The fourth proportional to 88,336.80, 132,332.40 and 60,343.20 is: 90,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,336.80 : 132,332.40 = 60,343.20 : x
  2. Step 2: Convert to fraction form
    88,336.80/132,332.40 = 60,343.20/x
  3. Step 3: Cross multiply
    88,336.80x = 132,332.40 × 60,343.20
  4. Step 4: Simplify right side
    88,336.80x = 7,985,360,479.68
  5. Step 5: Solve for x
    x = 7,985,360,479.68/88,336.80
  6. Step 6: Final answer
    x = 90,396.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.