Home / 52,152.04-71,969.22-28,278.28

Finding the Fourth Proportional to 52,152.04, 71,969.22 and 28,278.28

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Solution

The fourth proportional to 52,152.04, 71,969.22 and 28,278.28 is: 39,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152.04 : 71,969.22 = 28,278.28 : x
  2. Step 2: Convert to fraction form
    52,152.04/71,969.22 = 28,278.28/x
  3. Step 3: Cross multiply
    52,152.04x = 71,969.22 × 28,278.28
  4. Step 4: Simplify right side
    52,152.04x = 2,035,165,754.54
  5. Step 5: Solve for x
    x = 2,035,165,754.54/52,152.04
  6. Step 6: Final answer
    x = 39,023.70

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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.