Home / 106,881.46-147,490.29-59,131.96

Finding the Fourth Proportional to 106,881.46, 147,490.29 and 59,131.96

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Solution

The fourth proportional to 106,881.46, 147,490.29 and 59,131.96 is: 81,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,881.46 : 147,490.29 = 59,131.96 : x
  2. Step 2: Convert to fraction form
    106,881.46/147,490.29 = 59,131.96/x
  3. Step 3: Cross multiply
    106,881.46x = 147,490.29 × 59,131.96
  4. Step 4: Simplify right side
    106,881.46x = 8,721,389,559.94
  5. Step 5: Solve for x
    x = 8,721,389,559.94/106,881.46
  6. Step 6: Final answer
    x = 81,598.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.