Home / 69,987.09-96,522.77-59,138.38

Finding the Fourth Proportional to 69,987.09, 96,522.77 and 59,138.38

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Solution

The fourth proportional to 69,987.09, 96,522.77 and 59,138.38 is: 81,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,987.09 : 96,522.77 = 59,138.38 : x
  2. Step 2: Convert to fraction form
    69,987.09/96,522.77 = 59,138.38/x
  3. Step 3: Cross multiply
    69,987.09x = 96,522.77 × 59,138.38
  4. Step 4: Simplify right side
    69,987.09x = 5,708,200,250.91
  5. Step 5: Solve for x
    x = 5,708,200,250.91/69,987.09
  6. Step 6: Final answer
    x = 81,560.76

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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.