Home / 126,724.50-174,877.11-69,363.81

Finding the Fourth Proportional to 126,724.50, 174,877.11 and 69,363.81

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Solution

The fourth proportional to 126,724.50, 174,877.11 and 69,363.81 is: 95,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,724.50 : 174,877.11 = 69,363.81 : x
  2. Step 2: Convert to fraction form
    126,724.50/174,877.11 = 69,363.81/x
  3. Step 3: Cross multiply
    126,724.50x = 174,877.11 × 69,363.81
  4. Step 4: Simplify right side
    126,724.50x = 12,130,142,631.39
  5. Step 5: Solve for x
    x = 12,130,142,631.39/126,724.50
  6. Step 6: Final answer
    x = 95,720.58

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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.