Home / 54,048.80-74,565.90-36,115.40

Finding the Fourth Proportional to 54,048.80, 74,565.90 and 36,115.40

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Solution

The fourth proportional to 54,048.80, 74,565.90 and 36,115.40 is: 49,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,048.80 : 74,565.90 = 36,115.40 : x
  2. Step 2: Convert to fraction form
    54,048.80/74,565.90 = 36,115.40/x
  3. Step 3: Cross multiply
    54,048.80x = 74,565.90 × 36,115.40
  4. Step 4: Simplify right side
    54,048.80x = 2,692,977,304.86
  5. Step 5: Solve for x
    x = 2,692,977,304.86/54,048.80
  6. Step 6: Final answer
    x = 49,824.92

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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.