Home / 109,682.81-151,362.92-59,381.81

Finding the Fourth Proportional to 109,682.81, 151,362.92 and 59,381.81

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Solution

The fourth proportional to 109,682.81, 151,362.92 and 59,381.81 is: 81,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,682.81 : 151,362.92 = 59,381.81 : x
  2. Step 2: Convert to fraction form
    109,682.81/151,362.92 = 59,381.81/x
  3. Step 3: Cross multiply
    109,682.81x = 151,362.92 × 59,381.81
  4. Step 4: Simplify right side
    109,682.81x = 8,988,203,859.58
  5. Step 5: Solve for x
    x = 8,988,203,859.58/109,682.81
  6. Step 6: Final answer
    x = 81,947.24

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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.