Home / 126,120.60-174,047.61-69,534

Finding the Fourth Proportional to 126,120.60, 174,047.61 and 69,534

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Solution

The fourth proportional to 126,120.60, 174,047.61 and 69,534 is: 95,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,120.60 : 174,047.61 = 69,534 : x
  2. Step 2: Convert to fraction form
    126,120.60/174,047.61 = 69,534/x
  3. Step 3: Cross multiply
    126,120.60x = 174,047.61 × 69,534
  4. Step 4: Simplify right side
    126,120.60x = 12,102,226,513.74
  5. Step 5: Solve for x
    x = 12,102,226,513.74/126,120.60
  6. Step 6: Final answer
    x = 95,957.57

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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.