Home / 53,234.20-79,754.10-43,319.80

Finding the Fourth Proportional to 53,234.20, 79,754.10 and 43,319.80

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Solution

The fourth proportional to 53,234.20, 79,754.10 and 43,319.80 is: 64,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,234.20 : 79,754.10 = 43,319.80 : x
  2. Step 2: Convert to fraction form
    53,234.20/79,754.10 = 43,319.80/x
  3. Step 3: Cross multiply
    53,234.20x = 79,754.10 × 43,319.80
  4. Step 4: Simplify right side
    53,234.20x = 3,454,931,661.18
  5. Step 5: Solve for x
    x = 3,454,931,661.18/53,234.20
  6. Step 6: Final answer
    x = 64,900.60

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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.