Home / 88,666.20-122,357.66-48,378.96

Finding the Fourth Proportional to 88,666.20, 122,357.66 and 48,378.96

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Solution

The fourth proportional to 88,666.20, 122,357.66 and 48,378.96 is: 66,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,666.20 : 122,357.66 = 48,378.96 : x
  2. Step 2: Convert to fraction form
    88,666.20/122,357.66 = 48,378.96/x
  3. Step 3: Cross multiply
    88,666.20x = 122,357.66 × 48,378.96
  4. Step 4: Simplify right side
    88,666.20x = 5,919,536,096.94
  5. Step 5: Solve for x
    x = 5,919,536,096.94/88,666.20
  6. Step 6: Final answer
    x = 66,762.04

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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.