Home / 109,986.66-151,777.50-59,684.58

Finding the Fourth Proportional to 109,986.66, 151,777.50 and 59,684.58

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Solution

The fourth proportional to 109,986.66, 151,777.50 and 59,684.58 is: 82,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,986.66 : 151,777.50 = 59,684.58 : x
  2. Step 2: Convert to fraction form
    109,986.66/151,777.50 = 59,684.58/x
  3. Step 3: Cross multiply
    109,986.66x = 151,777.50 × 59,684.58
  4. Step 4: Simplify right side
    109,986.66x = 9,058,776,340.95
  5. Step 5: Solve for x
    x = 9,058,776,340.95/109,986.66
  6. Step 6: Final answer
    x = 82,362.50

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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.