Home / 91,984.07-137,856.74-41,345.68

Finding the Fourth Proportional to 91,984.07, 137,856.74 and 41,345.68

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Solution

The fourth proportional to 91,984.07, 137,856.74 and 41,345.68 is: 61,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,984.07 : 137,856.74 = 41,345.68 : x
  2. Step 2: Convert to fraction form
    91,984.07/137,856.74 = 41,345.68/x
  3. Step 3: Cross multiply
    91,984.07x = 137,856.74 × 41,345.68
  4. Step 4: Simplify right side
    91,984.07x = 5,699,780,657.88
  5. Step 5: Solve for x
    x = 5,699,780,657.88/91,984.07
  6. Step 6: Final answer
    x = 61,964.87

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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.