Home / 106,610.95-159,916.43-31,732.18

Finding the Fourth Proportional to 106,610.95, 159,916.43 and 31,732.18

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Solution

The fourth proportional to 106,610.95, 159,916.43 and 31,732.18 is: 47,598.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,610.95 : 159,916.43 = 31,732.18 : x
  2. Step 2: Convert to fraction form
    106,610.95/159,916.43 = 31,732.18/x
  3. Step 3: Cross multiply
    106,610.95x = 159,916.43 × 31,732.18
  4. Step 4: Simplify right side
    106,610.95x = 5,074,496,941.72
  5. Step 5: Solve for x
    x = 5,074,496,941.72/106,610.95
  6. Step 6: Final answer
    x = 47,598.27

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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.