Home / 54,278.10-81,417.15-28,034.10

Finding the Fourth Proportional to 54,278.10, 81,417.15 and 28,034.10

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Solution

The fourth proportional to 54,278.10, 81,417.15 and 28,034.10 is: 42,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.10 : 81,417.15 = 28,034.10 : x
  2. Step 2: Convert to fraction form
    54,278.10/81,417.15 = 28,034.10/x
  3. Step 3: Cross multiply
    54,278.10x = 81,417.15 × 28,034.10
  4. Step 4: Simplify right side
    54,278.10x = 2,282,456,524.82
  5. Step 5: Solve for x
    x = 2,282,456,524.82/54,278.10
  6. Step 6: Final answer
    x = 42,051.15

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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.