Home / 97,721.13-146,418.42-94,080.81

Finding the Fourth Proportional to 97,721.13, 146,418.42 and 94,080.81

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Solution

The fourth proportional to 97,721.13, 146,418.42 and 94,080.81 is: 140,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,721.13 : 146,418.42 = 94,080.81 : x
  2. Step 2: Convert to fraction form
    97,721.13/146,418.42 = 94,080.81/x
  3. Step 3: Cross multiply
    97,721.13x = 146,418.42 × 94,080.81
  4. Step 4: Simplify right side
    97,721.13x = 13,775,163,552.52
  5. Step 5: Solve for x
    x = 13,775,163,552.52/97,721.13
  6. Step 6: Final answer
    x = 140,964.02

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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.