Home / 94,712.40-142,222.20-68,600.40

Finding the Fourth Proportional to 94,712.40, 142,222.20 and 68,600.40

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Solution

The fourth proportional to 94,712.40, 142,222.20 and 68,600.40 is: 103,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,712.40 : 142,222.20 = 68,600.40 : x
  2. Step 2: Convert to fraction form
    94,712.40/142,222.20 = 68,600.40/x
  3. Step 3: Cross multiply
    94,712.40x = 142,222.20 × 68,600.40
  4. Step 4: Simplify right side
    94,712.40x = 9,756,499,808.88
  5. Step 5: Solve for x
    x = 9,756,499,808.88/94,712.40
  6. Step 6: Final answer
    x = 103,011.85

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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.