Home / 106,535.18-146,973.84-74,724.86

Finding the Fourth Proportional to 106,535.18, 146,973.84 and 74,724.86

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Solution

The fourth proportional to 106,535.18, 146,973.84 and 74,724.86 is: 103,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,535.18 : 146,973.84 = 74,724.86 : x
  2. Step 2: Convert to fraction form
    106,535.18/146,973.84 = 74,724.86/x
  3. Step 3: Cross multiply
    106,535.18x = 146,973.84 × 74,724.86
  4. Step 4: Simplify right side
    106,535.18x = 10,982,599,617.66
  5. Step 5: Solve for x
    x = 10,982,599,617.66/106,535.18
  6. Step 6: Final answer
    x = 103,088.95

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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.