Home / 68,207.23-94,126.16-39,532.45

Finding the Fourth Proportional to 68,207.23, 94,126.16 and 39,532.45

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Solution

The fourth proportional to 68,207.23, 94,126.16 and 39,532.45 is: 54,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,207.23 : 94,126.16 = 39,532.45 : x
  2. Step 2: Convert to fraction form
    68,207.23/94,126.16 = 39,532.45/x
  3. Step 3: Cross multiply
    68,207.23x = 94,126.16 × 39,532.45
  4. Step 4: Simplify right side
    68,207.23x = 3,721,037,713.89
  5. Step 5: Solve for x
    x = 3,721,037,713.89/68,207.23
  6. Step 6: Final answer
    x = 54,554.89

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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.