Home / 74,478.38-102,884.60-67,752.14

Finding the Fourth Proportional to 74,478.38, 102,884.60 and 67,752.14

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Solution

The fourth proportional to 74,478.38, 102,884.60 and 67,752.14 is: 93,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,478.38 : 102,884.60 = 67,752.14 : x
  2. Step 2: Convert to fraction form
    74,478.38/102,884.60 = 67,752.14/x
  3. Step 3: Cross multiply
    74,478.38x = 102,884.60 × 67,752.14
  4. Step 4: Simplify right side
    74,478.38x = 6,970,651,823.04
  5. Step 5: Solve for x
    x = 6,970,651,823.04/74,478.38
  6. Step 6: Final answer
    x = 93,592.96

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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.