Home / 75,335.56-104,001.78-53,078.92

Finding the Fourth Proportional to 75,335.56, 104,001.78 and 53,078.92

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Solution

The fourth proportional to 75,335.56, 104,001.78 and 53,078.92 is: 73,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,335.56 : 104,001.78 = 53,078.92 : x
  2. Step 2: Convert to fraction form
    75,335.56/104,001.78 = 53,078.92/x
  3. Step 3: Cross multiply
    75,335.56x = 104,001.78 × 53,078.92
  4. Step 4: Simplify right side
    75,335.56x = 5,520,302,160.48
  5. Step 5: Solve for x
    x = 5,520,302,160.48/75,335.56
  6. Step 6: Final answer
    x = 73,276.18

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1.5x scale

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.