Home / 52,040.76-78,064.50-18,302.64

Finding the Fourth Proportional to 52,040.76, 78,064.50 and 18,302.64

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Solution

The fourth proportional to 52,040.76, 78,064.50 and 18,302.64 is: 27,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,040.76 : 78,064.50 = 18,302.64 : x
  2. Step 2: Convert to fraction form
    52,040.76/78,064.50 = 18,302.64/x
  3. Step 3: Cross multiply
    52,040.76x = 78,064.50 × 18,302.64
  4. Step 4: Simplify right side
    52,040.76x = 1,428,786,440.28
  5. Step 5: Solve for x
    x = 1,428,786,440.28/52,040.76
  6. Step 6: Final answer
    x = 27,455.14

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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.