Home / 94,541.60-141,520.80-54,981.20

Finding the Fourth Proportional to 94,541.60, 141,520.80 and 54,981.20

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Solution

The fourth proportional to 94,541.60, 141,520.80 and 54,981.20 is: 82,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,541.60 : 141,520.80 = 54,981.20 : x
  2. Step 2: Convert to fraction form
    94,541.60/141,520.80 = 54,981.20/x
  3. Step 3: Cross multiply
    94,541.60x = 141,520.80 × 54,981.20
  4. Step 4: Simplify right side
    94,541.60x = 7,780,983,408.96
  5. Step 5: Solve for x
    x = 7,780,983,408.96/94,541.60
  6. Step 6: Final answer
    x = 82,302.22

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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.