Home / 82,277.19-123,460.43-34,918.92

Finding the Fourth Proportional to 82,277.19, 123,460.43 and 34,918.92

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Solution

The fourth proportional to 82,277.19, 123,460.43 and 34,918.92 is: 52,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,277.19 : 123,460.43 = 34,918.92 : x
  2. Step 2: Convert to fraction form
    82,277.19/123,460.43 = 34,918.92/x
  3. Step 3: Cross multiply
    82,277.19x = 123,460.43 × 34,918.92
  4. Step 4: Simplify right side
    82,277.19x = 4,311,104,703.74
  5. Step 5: Solve for x
    x = 4,311,104,703.74/82,277.19
  6. Step 6: Final answer
    x = 52,397.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.