Home / 54,098.32-74,650.20-31,127.56

Finding the Fourth Proportional to 54,098.32, 74,650.20 and 31,127.56

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Solution

The fourth proportional to 54,098.32, 74,650.20 and 31,127.56 is: 42,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,098.32 : 74,650.20 = 31,127.56 : x
  2. Step 2: Convert to fraction form
    54,098.32/74,650.20 = 31,127.56/x
  3. Step 3: Cross multiply
    54,098.32x = 74,650.20 × 31,127.56
  4. Step 4: Simplify right side
    54,098.32x = 2,323,678,579.51
  5. Step 5: Solve for x
    x = 2,323,678,579.51/54,098.32
  6. Step 6: Final answer
    x = 42,952.88

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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.