Home / 74,296.28-102,528.30-40,304.84

Finding the Fourth Proportional to 74,296.28, 102,528.30 and 40,304.84

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Solution

The fourth proportional to 74,296.28, 102,528.30 and 40,304.84 is: 55,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,296.28 : 102,528.30 = 40,304.84 : x
  2. Step 2: Convert to fraction form
    74,296.28/102,528.30 = 40,304.84/x
  3. Step 3: Cross multiply
    74,296.28x = 102,528.30 × 40,304.84
  4. Step 4: Simplify right side
    74,296.28x = 4,132,386,726.97
  5. Step 5: Solve for x
    x = 4,132,386,726.97/74,296.28
  6. Step 6: Final answer
    x = 55,620.37

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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.