Home / 53,242.92-79,864.38-18,182.88

Finding the Fourth Proportional to 53,242.92, 79,864.38 and 18,182.88

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Solution

The fourth proportional to 53,242.92, 79,864.38 and 18,182.88 is: 27,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242.92 : 79,864.38 = 18,182.88 : x
  2. Step 2: Convert to fraction form
    53,242.92/79,864.38 = 18,182.88/x
  3. Step 3: Cross multiply
    53,242.92x = 79,864.38 × 18,182.88
  4. Step 4: Simplify right side
    53,242.92x = 1,452,164,437.81
  5. Step 5: Solve for x
    x = 1,452,164,437.81/53,242.92
  6. Step 6: Final answer
    x = 27,274.32

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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.