Home / 69,818.98-96,351.18-37,987.90

Finding the Fourth Proportional to 69,818.98, 96,351.18 and 37,987.90

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Solution

The fourth proportional to 69,818.98, 96,351.18 and 37,987.90 is: 52,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,818.98 : 96,351.18 = 37,987.90 : x
  2. Step 2: Convert to fraction form
    69,818.98/96,351.18 = 37,987.90/x
  3. Step 3: Cross multiply
    69,818.98x = 96,351.18 × 37,987.90
  4. Step 4: Simplify right side
    69,818.98x = 3,660,178,990.72
  5. Step 5: Solve for x
    x = 3,660,178,990.72/69,818.98
  6. Step 6: Final answer
    x = 52,423.84

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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.