Home / 91,773.09-137,709.78-35,615.40

Finding the Fourth Proportional to 91,773.09, 137,709.78 and 35,615.40

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Solution

The fourth proportional to 91,773.09, 137,709.78 and 35,615.40 is: 53,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,773.09 : 137,709.78 = 35,615.40 : x
  2. Step 2: Convert to fraction form
    91,773.09/137,709.78 = 35,615.40/x
  3. Step 3: Cross multiply
    91,773.09x = 137,709.78 × 35,615.40
  4. Step 4: Simplify right side
    91,773.09x = 4,904,588,898.61
  5. Step 5: Solve for x
    x = 4,904,588,898.61/91,773.09
  6. Step 6: Final answer
    x = 53,442.56

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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.