Home / 77,766.48-107,316.56-43,774.87

Finding the Fourth Proportional to 77,766.48, 107,316.56 and 43,774.87

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Solution

The fourth proportional to 77,766.48, 107,316.56 and 43,774.87 is: 60,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,766.48 : 107,316.56 = 43,774.87 : x
  2. Step 2: Convert to fraction form
    77,766.48/107,316.56 = 43,774.87/x
  3. Step 3: Cross multiply
    77,766.48x = 107,316.56 × 43,774.87
  4. Step 4: Simplify right side
    77,766.48x = 4,697,768,080.27
  5. Step 5: Solve for x
    x = 4,697,768,080.27/77,766.48
  6. Step 6: Final answer
    x = 60,408.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.