Home / 54,445.77-81,549.59-38,602.78

Finding the Fourth Proportional to 54,445.77, 81,549.59 and 38,602.78

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Solution

The fourth proportional to 54,445.77, 81,549.59 and 38,602.78 is: 57,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445.77 : 81,549.59 = 38,602.78 : x
  2. Step 2: Convert to fraction form
    54,445.77/81,549.59 = 38,602.78/x
  3. Step 3: Cross multiply
    54,445.77x = 81,549.59 × 38,602.78
  4. Step 4: Simplify right side
    54,445.77x = 3,148,040,484.97
  5. Step 5: Solve for x
    x = 3,148,040,484.97/54,445.77
  6. Step 6: Final answer
    x = 57,819.74

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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.