Home / 75,568.40-113,278.20-42,304.40

Finding the Fourth Proportional to 75,568.40, 113,278.20 and 42,304.40

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Solution

The fourth proportional to 75,568.40, 113,278.20 and 42,304.40 is: 63,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,568.40 : 113,278.20 = 42,304.40 : x
  2. Step 2: Convert to fraction form
    75,568.40/113,278.20 = 42,304.40/x
  3. Step 3: Cross multiply
    75,568.40x = 113,278.20 × 42,304.40
  4. Step 4: Simplify right side
    75,568.40x = 4,792,166,284.08
  5. Step 5: Solve for x
    x = 4,792,166,284.08/75,568.40
  6. Step 6: Final answer
    x = 63,414.95

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1.5x scale

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.