Home / 97,772.76-146,681.28-31,217.22

Finding the Fourth Proportional to 97,772.76, 146,681.28 and 31,217.22

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Solution

The fourth proportional to 97,772.76, 146,681.28 and 31,217.22 is: 46,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,772.76 : 146,681.28 = 31,217.22 : x
  2. Step 2: Convert to fraction form
    97,772.76/146,681.28 = 31,217.22/x
  3. Step 3: Cross multiply
    97,772.76x = 146,681.28 × 31,217.22
  4. Step 4: Simplify right side
    97,772.76x = 4,578,981,787.64
  5. Step 5: Solve for x
    x = 4,578,981,787.64/97,772.76
  6. Step 6: Final answer
    x = 46,832.90

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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.