Home / 126,702.96-174,851.64-70,119.60

Finding the Fourth Proportional to 126,702.96, 174,851.64 and 70,119.60

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Solution

The fourth proportional to 126,702.96, 174,851.64 and 70,119.60 is: 96,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,702.96 : 174,851.64 = 70,119.60 : x
  2. Step 2: Convert to fraction form
    126,702.96/174,851.64 = 70,119.60/x
  3. Step 3: Cross multiply
    126,702.96x = 174,851.64 × 70,119.60
  4. Step 4: Simplify right side
    126,702.96x = 12,260,527,056.14
  5. Step 5: Solve for x
    x = 12,260,527,056.14/126,702.96
  6. Step 6: Final answer
    x = 96,765.91

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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.