Home / 115,715.36-173,510.60-52,500.98

Finding the Fourth Proportional to 115,715.36, 173,510.60 and 52,500.98

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Solution

The fourth proportional to 115,715.36, 173,510.60 and 52,500.98 is: 78,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,715.36 : 173,510.60 = 52,500.98 : x
  2. Step 2: Convert to fraction form
    115,715.36/173,510.60 = 52,500.98/x
  3. Step 3: Cross multiply
    115,715.36x = 173,510.60 × 52,500.98
  4. Step 4: Simplify right side
    115,715.36x = 9,109,476,540.39
  5. Step 5: Solve for x
    x = 9,109,476,540.39/115,715.36
  6. Step 6: Final answer
    x = 78,723.14

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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.