Home / 106,583.16-159,938.10-47,422.20

Finding the Fourth Proportional to 106,583.16, 159,938.10 and 47,422.20

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Solution

The fourth proportional to 106,583.16, 159,938.10 and 47,422.20 is: 71,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,583.16 : 159,938.10 = 47,422.20 : x
  2. Step 2: Convert to fraction form
    106,583.16/159,938.10 = 47,422.20/x
  3. Step 3: Cross multiply
    106,583.16x = 159,938.10 × 47,422.20
  4. Step 4: Simplify right side
    106,583.16x = 7,584,616,565.82
  5. Step 5: Solve for x
    x = 7,584,616,565.82/106,583.16
  6. Step 6: Final answer
    x = 71,161.49

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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.