Home / 53,830.10-80,793.15-31,615.70

Finding the Fourth Proportional to 53,830.10, 80,793.15 and 31,615.70

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Solution

The fourth proportional to 53,830.10, 80,793.15 and 31,615.70 is: 47,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,830.10 : 80,793.15 = 31,615.70 : x
  2. Step 2: Convert to fraction form
    53,830.10/80,793.15 = 31,615.70/x
  3. Step 3: Cross multiply
    53,830.10x = 80,793.15 × 31,615.70
  4. Step 4: Simplify right side
    53,830.10x = 2,554,331,992.46
  5. Step 5: Solve for x
    x = 2,554,331,992.46/53,830.10
  6. Step 6: Final answer
    x = 47,451.74

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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.