Home / 126,750.87-174,904.38-75,753.54

Finding the Fourth Proportional to 126,750.87, 174,904.38 and 75,753.54

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Solution

The fourth proportional to 126,750.87, 174,904.38 and 75,753.54 is: 104,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,750.87 : 174,904.38 = 75,753.54 : x
  2. Step 2: Convert to fraction form
    126,750.87/174,904.38 = 75,753.54/x
  3. Step 3: Cross multiply
    126,750.87x = 174,904.38 × 75,753.54
  4. Step 4: Simplify right side
    126,750.87x = 13,249,625,946.51
  5. Step 5: Solve for x
    x = 13,249,625,946.51/126,750.87
  6. Step 6: Final answer
    x = 104,532.82

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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.