Home / 67,776.67-93,509.40-40,908.97

Finding the Fourth Proportional to 67,776.67, 93,509.40 and 40,908.97

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Solution

The fourth proportional to 67,776.67, 93,509.40 and 40,908.97 is: 56,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,776.67 : 93,509.40 = 40,908.97 : x
  2. Step 2: Convert to fraction form
    67,776.67/93,509.40 = 40,908.97/x
  3. Step 3: Cross multiply
    67,776.67x = 93,509.40 × 40,908.97
  4. Step 4: Simplify right side
    67,776.67x = 3,825,373,239.32
  5. Step 5: Solve for x
    x = 3,825,373,239.32/67,776.67
  6. Step 6: Final answer
    x = 56,440.86

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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.