Home / 106,754.20-147,318.64-59,009.56

Finding the Fourth Proportional to 106,754.20, 147,318.64 and 59,009.56

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Solution

The fourth proportional to 106,754.20, 147,318.64 and 59,009.56 is: 81,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,754.20 : 147,318.64 = 59,009.56 : x
  2. Step 2: Convert to fraction form
    106,754.20/147,318.64 = 59,009.56/x
  3. Step 3: Cross multiply
    106,754.20x = 147,318.64 × 59,009.56
  4. Step 4: Simplify right side
    106,754.20x = 8,693,208,126.20
  5. Step 5: Solve for x
    x = 8,693,208,126.20/106,754.20
  6. Step 6: Final answer
    x = 81,432.00

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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.