Home / 53,122.16-79,664.66-15,672.29

Finding the Fourth Proportional to 53,122.16, 79,664.66 and 15,672.29

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Solution

The fourth proportional to 53,122.16, 79,664.66 and 15,672.29 is: 23,502.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,122.16 : 79,664.66 = 15,672.29 : x
  2. Step 2: Convert to fraction form
    53,122.16/79,664.66 = 15,672.29/x
  3. Step 3: Cross multiply
    53,122.16x = 79,664.66 × 15,672.29
  4. Step 4: Simplify right side
    53,122.16x = 1,248,527,177.59
  5. Step 5: Solve for x
    x = 1,248,527,177.59/53,122.16
  6. Step 6: Final answer
    x = 23,502.95

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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.