Home / 106,531.23-147,008.79-58,783.95

Finding the Fourth Proportional to 106,531.23, 147,008.79 and 58,783.95

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Solution

The fourth proportional to 106,531.23, 147,008.79 and 58,783.95 is: 81,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531.23 : 147,008.79 = 58,783.95 : x
  2. Step 2: Convert to fraction form
    106,531.23/147,008.79 = 58,783.95/x
  3. Step 3: Cross multiply
    106,531.23x = 147,008.79 × 58,783.95
  4. Step 4: Simplify right side
    106,531.23x = 8,641,757,360.92
  5. Step 5: Solve for x
    x = 8,641,757,360.92/106,531.23
  6. Step 6: Final answer
    x = 81,119.47

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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.