Home / 53,192.20-79,715.40-43,350.70

Finding the Fourth Proportional to 53,192.20, 79,715.40 and 43,350.70

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Solution

The fourth proportional to 53,192.20, 79,715.40 and 43,350.70 is: 64,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,192.20 : 79,715.40 = 43,350.70 : x
  2. Step 2: Convert to fraction form
    53,192.20/79,715.40 = 43,350.70/x
  3. Step 3: Cross multiply
    53,192.20x = 79,715.40 × 43,350.70
  4. Step 4: Simplify right side
    53,192.20x = 3,455,718,390.78
  5. Step 5: Solve for x
    x = 3,455,718,390.78/53,192.20
  6. Step 6: Final answer
    x = 64,966.64

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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.