Home / 68,666.18-94,751.49-38,447.30

Finding the Fourth Proportional to 68,666.18, 94,751.49 and 38,447.30

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Solution

The fourth proportional to 68,666.18, 94,751.49 and 38,447.30 is: 53,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,666.18 : 94,751.49 = 38,447.30 : x
  2. Step 2: Convert to fraction form
    68,666.18/94,751.49 = 38,447.30/x
  3. Step 3: Cross multiply
    68,666.18x = 94,751.49 × 38,447.30
  4. Step 4: Simplify right side
    68,666.18x = 3,642,938,820.72
  5. Step 5: Solve for x
    x = 3,642,938,820.72/68,666.18
  6. Step 6: Final answer
    x = 53,052.89

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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.