Home / 54,373.52-81,685.08-38,617.40

Finding the Fourth Proportional to 54,373.52, 81,685.08 and 38,617.40

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Solution

The fourth proportional to 54,373.52, 81,685.08 and 38,617.40 is: 58,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,373.52 : 81,685.08 = 38,617.40 : x
  2. Step 2: Convert to fraction form
    54,373.52/81,685.08 = 38,617.40/x
  3. Step 3: Cross multiply
    54,373.52x = 81,685.08 × 38,617.40
  4. Step 4: Simplify right side
    54,373.52x = 3,154,465,408.39
  5. Step 5: Solve for x
    x = 3,154,465,408.39/54,373.52
  6. Step 6: Final answer
    x = 58,014.74

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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.