Home / 115,713.36-173,507.60-52,498.98

Finding the Fourth Proportional to 115,713.36, 173,507.60 and 52,498.98

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Solution

The fourth proportional to 115,713.36, 173,507.60 and 52,498.98 is: 78,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,713.36 : 173,507.60 = 52,498.98 : x
  2. Step 2: Convert to fraction form
    115,713.36/173,507.60 = 52,498.98/x
  3. Step 3: Cross multiply
    115,713.36x = 173,507.60 × 52,498.98
  4. Step 4: Simplify right side
    115,713.36x = 9,108,972,022.25
  5. Step 5: Solve for x
    x = 9,108,972,022.25/115,713.36
  6. Step 6: Final answer
    x = 78,720.14

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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.