Home / 82,235.80-113,488.14-50,398.54

Finding the Fourth Proportional to 82,235.80, 113,488.14 and 50,398.54

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Solution

The fourth proportional to 82,235.80, 113,488.14 and 50,398.54 is: 69,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,235.80 : 113,488.14 = 50,398.54 : x
  2. Step 2: Convert to fraction form
    82,235.80/113,488.14 = 50,398.54/x
  3. Step 3: Cross multiply
    82,235.80x = 113,488.14 × 50,398.54
  4. Step 4: Simplify right side
    82,235.80x = 5,719,636,563.32
  5. Step 5: Solve for x
    x = 5,719,636,563.32/82,235.80
  6. Step 6: Final answer
    x = 69,551.66

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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.