Home / 88,120.28-121,606.12-47,834.02

Finding the Fourth Proportional to 88,120.28, 121,606.12 and 47,834.02

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Solution

The fourth proportional to 88,120.28, 121,606.12 and 47,834.02 is: 66,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120.28 : 121,606.12 = 47,834.02 : x
  2. Step 2: Convert to fraction form
    88,120.28/121,606.12 = 47,834.02/x
  3. Step 3: Cross multiply
    88,120.28x = 121,606.12 × 47,834.02
  4. Step 4: Simplify right side
    88,120.28x = 5,816,909,576.20
  5. Step 5: Solve for x
    x = 5,816,909,576.20/88,120.28
  6. Step 6: Final answer
    x = 66,011.02

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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.