Home / 84,342.81-126,549.39-36,991.93

Finding the Fourth Proportional to 84,342.81, 126,549.39 and 36,991.93

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Solution

The fourth proportional to 84,342.81, 126,549.39 and 36,991.93 is: 55,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,342.81 : 126,549.39 = 36,991.93 : x
  2. Step 2: Convert to fraction form
    84,342.81/126,549.39 = 36,991.93/x
  3. Step 3: Cross multiply
    84,342.81x = 126,549.39 × 36,991.93
  4. Step 4: Simplify right side
    84,342.81x = 4,681,305,850.01
  5. Step 5: Solve for x
    x = 4,681,305,850.01/84,342.81
  6. Step 6: Final answer
    x = 55,503.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.