Home / 75,048.04-112,505.82-28,268.20

Finding the Fourth Proportional to 75,048.04, 112,505.82 and 28,268.20

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Solution

The fourth proportional to 75,048.04, 112,505.82 and 28,268.20 is: 42,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,048.04 : 112,505.82 = 28,268.20 : x
  2. Step 2: Convert to fraction form
    75,048.04/112,505.82 = 28,268.20/x
  3. Step 3: Cross multiply
    75,048.04x = 112,505.82 × 28,268.20
  4. Step 4: Simplify right side
    75,048.04x = 3,180,337,020.92
  5. Step 5: Solve for x
    x = 3,180,337,020.92/75,048.04
  6. Step 6: Final answer
    x = 42,377.35

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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.