Home / 91,664.32-137,476.68-32,501.92

Finding the Fourth Proportional to 91,664.32, 137,476.68 and 32,501.92

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Solution

The fourth proportional to 91,664.32, 137,476.68 and 32,501.92 is: 48,745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,664.32 : 137,476.68 = 32,501.92 : x
  2. Step 2: Convert to fraction form
    91,664.32/137,476.68 = 32,501.92/x
  3. Step 3: Cross multiply
    91,664.32x = 137,476.68 × 32,501.92
  4. Step 4: Simplify right side
    91,664.32x = 4,468,256,055.23
  5. Step 5: Solve for x
    x = 4,468,256,055.23/91,664.32
  6. Step 6: Final answer
    x = 48,745.86

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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.