Home / 79,968.78-120,030.93-38,444.94

Finding the Fourth Proportional to 79,968.78, 120,030.93 and 38,444.94

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Solution

The fourth proportional to 79,968.78, 120,030.93 and 38,444.94 is: 57,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,968.78 : 120,030.93 = 38,444.94 : x
  2. Step 2: Convert to fraction form
    79,968.78/120,030.93 = 38,444.94/x
  3. Step 3: Cross multiply
    79,968.78x = 120,030.93 × 38,444.94
  4. Step 4: Simplify right side
    79,968.78x = 4,614,581,901.99
  5. Step 5: Solve for x
    x = 4,614,581,901.99/79,968.78
  6. Step 6: Final answer
    x = 57,704.79

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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.