Home / 88,381.20-121,967.34-48,096.12

Finding the Fourth Proportional to 88,381.20, 121,967.34 and 48,096.12

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Solution

The fourth proportional to 88,381.20, 121,967.34 and 48,096.12 is: 66,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,381.20 : 121,967.34 = 48,096.12 : x
  2. Step 2: Convert to fraction form
    88,381.20/121,967.34 = 48,096.12/x
  3. Step 3: Cross multiply
    88,381.20x = 121,967.34 × 48,096.12
  4. Step 4: Simplify right side
    88,381.20x = 5,866,155,820.72
  5. Step 5: Solve for x
    x = 5,866,155,820.72/88,381.20
  6. Step 6: Final answer
    x = 66,373.34

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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.