Home / 106,976.95-147,632.81-59,230.30

Finding the Fourth Proportional to 106,976.95, 147,632.81 and 59,230.30

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Solution

The fourth proportional to 106,976.95, 147,632.81 and 59,230.30 is: 81,740.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,976.95 : 147,632.81 = 59,230.30 : x
  2. Step 2: Convert to fraction form
    106,976.95/147,632.81 = 59,230.30/x
  3. Step 3: Cross multiply
    106,976.95x = 147,632.81 × 59,230.30
  4. Step 4: Simplify right side
    106,976.95x = 8,744,335,653.56
  5. Step 5: Solve for x
    x = 8,744,335,653.56/106,976.95
  6. Step 6: Final answer
    x = 81,740.37

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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.