Home / 82,537.43-113,697.61-70,398.36

Finding the Fourth Proportional to 82,537.43, 113,697.61 and 70,398.36

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Solution

The fourth proportional to 82,537.43, 113,697.61 and 70,398.36 is: 96,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,537.43 : 113,697.61 = 70,398.36 : x
  2. Step 2: Convert to fraction form
    82,537.43/113,697.61 = 70,398.36/x
  3. Step 3: Cross multiply
    82,537.43x = 113,697.61 × 70,398.36
  4. Step 4: Simplify right side
    82,537.43x = 8,004,125,103.92
  5. Step 5: Solve for x
    x = 8,004,125,103.92/82,537.43
  6. Step 6: Final answer
    x = 96,975.71

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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.