Home / 68,209.23-94,128.92-39,534.45

Finding the Fourth Proportional to 68,209.23, 94,128.92 and 39,534.45

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Solution

The fourth proportional to 68,209.23, 94,128.92 and 39,534.45 is: 54,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,209.23 : 94,128.92 = 39,534.45 : x
  2. Step 2: Convert to fraction form
    68,209.23/94,128.92 = 39,534.45/x
  3. Step 3: Cross multiply
    68,209.23x = 94,128.92 × 39,534.45
  4. Step 4: Simplify right side
    68,209.23x = 3,721,335,081.29
  5. Step 5: Solve for x
    x = 3,721,335,081.29/68,209.23
  6. Step 6: Final answer
    x = 54,557.65

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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.