Home / 94,499.10-141,760.80-47,138.40

Finding the Fourth Proportional to 94,499.10, 141,760.80 and 47,138.40

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Solution

The fourth proportional to 94,499.10, 141,760.80 and 47,138.40 is: 70,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,499.10 : 141,760.80 = 47,138.40 : x
  2. Step 2: Convert to fraction form
    94,499.10/141,760.80 = 47,138.40/x
  3. Step 3: Cross multiply
    94,499.10x = 141,760.80 × 47,138.40
  4. Step 4: Simplify right side
    94,499.10x = 6,682,377,294.72
  5. Step 5: Solve for x
    x = 6,682,377,294.72/94,499.10
  6. Step 6: Final answer
    x = 70,713.66

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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.