Home / 91,827.77-137,741.43-51,828.62

Finding the Fourth Proportional to 91,827.77, 137,741.43 and 51,828.62

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Solution

The fourth proportional to 91,827.77, 137,741.43 and 51,828.62 is: 77,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,827.77 : 137,741.43 = 51,828.62 : x
  2. Step 2: Convert to fraction form
    91,827.77/137,741.43 = 51,828.62/x
  3. Step 3: Cross multiply
    91,827.77x = 137,741.43 × 51,828.62
  4. Step 4: Simplify right side
    91,827.77x = 7,138,948,233.73
  5. Step 5: Solve for x
    x = 7,138,948,233.73/91,827.77
  6. Step 6: Final answer
    x = 77,742.80

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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.