Home / 88,090.20-131,865.30-48,526.20

Finding the Fourth Proportional to 88,090.20, 131,865.30 and 48,526.20

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Solution

The fourth proportional to 88,090.20, 131,865.30 and 48,526.20 is: 72,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,090.20 : 131,865.30 = 48,526.20 : x
  2. Step 2: Convert to fraction form
    88,090.20/131,865.30 = 48,526.20/x
  3. Step 3: Cross multiply
    88,090.20x = 131,865.30 × 48,526.20
  4. Step 4: Simplify right side
    88,090.20x = 6,398,921,920.86
  5. Step 5: Solve for x
    x = 6,398,921,920.86/88,090.20
  6. Step 6: Final answer
    x = 72,640.57

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1.5x scale

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.