Home / 53,152.64-79,722.18-15,711.92

Finding the Fourth Proportional to 53,152.64, 79,722.18 and 15,711.92

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Solution

The fourth proportional to 53,152.64, 79,722.18 and 15,711.92 is: 23,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152.64 : 79,722.18 = 15,711.92 : x
  2. Step 2: Convert to fraction form
    53,152.64/79,722.18 = 15,711.92/x
  3. Step 3: Cross multiply
    53,152.64x = 79,722.18 × 15,711.92
  4. Step 4: Simplify right side
    53,152.64x = 1,252,588,514.39
  5. Step 5: Solve for x
    x = 1,252,588,514.39/53,152.64
  6. Step 6: Final answer
    x = 23,565.88

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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.