Home / 53,134.11-79,701.33-21,544.71

Finding the Fourth Proportional to 53,134.11, 79,701.33 and 21,544.71

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Solution

The fourth proportional to 53,134.11, 79,701.33 and 21,544.71 is: 32,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,134.11 : 79,701.33 = 21,544.71 : x
  2. Step 2: Convert to fraction form
    53,134.11/79,701.33 = 21,544.71/x
  3. Step 3: Cross multiply
    53,134.11x = 79,701.33 × 21,544.71
  4. Step 4: Simplify right side
    53,134.11x = 1,717,142,041.46
  5. Step 5: Solve for x
    x = 1,717,142,041.46/53,134.11
  6. Step 6: Final answer
    x = 32,317.13

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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.