Home / 109,867.01-151,619.46-62,127.50

Finding the Fourth Proportional to 109,867.01, 151,619.46 and 62,127.50

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Solution

The fourth proportional to 109,867.01, 151,619.46 and 62,127.50 is: 85,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,867.01 : 151,619.46 = 62,127.50 : x
  2. Step 2: Convert to fraction form
    109,867.01/151,619.46 = 62,127.50/x
  3. Step 3: Cross multiply
    109,867.01x = 151,619.46 × 62,127.50
  4. Step 4: Simplify right side
    109,867.01x = 9,419,738,001.15
  5. Step 5: Solve for x
    x = 9,419,738,001.15/109,867.01
  6. Step 6: Final answer
    x = 85,737.64

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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.