Home / 70,121.28-96,766.74-43,253.04

Finding the Fourth Proportional to 70,121.28, 96,766.74 and 43,253.04

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Solution

The fourth proportional to 70,121.28, 96,766.74 and 43,253.04 is: 59,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,121.28 : 96,766.74 = 43,253.04 : x
  2. Step 2: Convert to fraction form
    70,121.28/96,766.74 = 43,253.04/x
  3. Step 3: Cross multiply
    70,121.28x = 96,766.74 × 43,253.04
  4. Step 4: Simplify right side
    70,121.28x = 4,185,455,675.89
  5. Step 5: Solve for x
    x = 4,185,455,675.89/70,121.28
  6. Step 6: Final answer
    x = 59,688.81

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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.