Home / 115,398.76-173,171.04-45,276.52

Finding the Fourth Proportional to 115,398.76, 173,171.04 and 45,276.52

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Solution

The fourth proportional to 115,398.76, 173,171.04 and 45,276.52 is: 67,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,398.76 : 173,171.04 = 45,276.52 : x
  2. Step 2: Convert to fraction form
    115,398.76/173,171.04 = 45,276.52/x
  3. Step 3: Cross multiply
    115,398.76x = 173,171.04 × 45,276.52
  4. Step 4: Simplify right side
    115,398.76x = 7,840,582,055.98
  5. Step 5: Solve for x
    x = 7,840,582,055.98/115,398.76
  6. Step 6: Final answer
    x = 67,943.38

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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.