Home / 52,488.51-78,732.76-17,428.16

Finding the Fourth Proportional to 52,488.51, 78,732.76 and 17,428.16

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Solution

The fourth proportional to 52,488.51, 78,732.76 and 17,428.16 is: 26,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488.51 : 78,732.76 = 17,428.16 : x
  2. Step 2: Convert to fraction form
    52,488.51/78,732.76 = 17,428.16/x
  3. Step 3: Cross multiply
    52,488.51x = 78,732.76 × 17,428.16
  4. Step 4: Simplify right side
    52,488.51x = 1,372,167,138.52
  5. Step 5: Solve for x
    x = 1,372,167,138.52/52,488.51
  6. Step 6: Final answer
    x = 26,142.24

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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.