Home / 115,680.36-173,363.76-52,421.52

Finding the Fourth Proportional to 115,680.36, 173,363.76 and 52,421.52

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Solution

The fourth proportional to 115,680.36, 173,363.76 and 52,421.52 is: 78,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,680.36 : 173,363.76 = 52,421.52 : x
  2. Step 2: Convert to fraction form
    115,680.36/173,363.76 = 52,421.52/x
  3. Step 3: Cross multiply
    115,680.36x = 173,363.76 × 52,421.52
  4. Step 4: Simplify right side
    115,680.36x = 9,087,991,812.12
  5. Step 5: Solve for x
    x = 9,087,991,812.12/115,680.36
  6. Step 6: Final answer
    x = 78,561.23

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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.