Home / 78,770.24-117,877.76-49,202

Finding the Fourth Proportional to 78,770.24, 117,877.76 and 49,202

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Solution

The fourth proportional to 78,770.24, 117,877.76 and 49,202 is: 73,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,770.24 : 117,877.76 = 49,202 : x
  2. Step 2: Convert to fraction form
    78,770.24/117,877.76 = 49,202/x
  3. Step 3: Cross multiply
    78,770.24x = 117,877.76 × 49,202
  4. Step 4: Simplify right side
    78,770.24x = 5,799,821,547.52
  5. Step 5: Solve for x
    x = 5,799,821,547.52/78,770.24
  6. Step 6: Final answer
    x = 73,629.60

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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.