Home / 97,934.34-146,891.42-31,422.18

Finding the Fourth Proportional to 97,934.34, 146,891.42 and 31,422.18

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Solution

The fourth proportional to 97,934.34, 146,891.42 and 31,422.18 is: 47,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,934.34 : 146,891.42 = 31,422.18 : x
  2. Step 2: Convert to fraction form
    97,934.34/146,891.42 = 31,422.18/x
  3. Step 3: Cross multiply
    97,934.34x = 146,891.42 × 31,422.18
  4. Step 4: Simplify right side
    97,934.34x = 4,615,648,639.70
  5. Step 5: Solve for x
    x = 4,615,648,639.70/97,934.34
  6. Step 6: Final answer
    x = 47,130.03

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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.