Home / 67,013.39-101,001.78-57,765.03

Finding the Fourth Proportional to 67,013.39, 101,001.78 and 57,765.03

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Solution

The fourth proportional to 67,013.39, 101,001.78 and 57,765.03 is: 87,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,013.39 : 101,001.78 = 57,765.03 : x
  2. Step 2: Convert to fraction form
    67,013.39/101,001.78 = 57,765.03/x
  3. Step 3: Cross multiply
    67,013.39x = 101,001.78 × 57,765.03
  4. Step 4: Simplify right side
    67,013.39x = 5,834,370,851.75
  5. Step 5: Solve for x
    x = 5,834,370,851.75/67,013.39
  6. Step 6: Final answer
    x = 87,062.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.