Home / 73,860.20-110,718.30-42,237.80

Finding the Fourth Proportional to 73,860.20, 110,718.30 and 42,237.80

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Solution

The fourth proportional to 73,860.20, 110,718.30 and 42,237.80 is: 63,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,860.20 : 110,718.30 = 42,237.80 : x
  2. Step 2: Convert to fraction form
    73,860.20/110,718.30 = 42,237.80/x
  3. Step 3: Cross multiply
    73,860.20x = 110,718.30 × 42,237.80
  4. Step 4: Simplify right side
    73,860.20x = 4,676,497,411.74
  5. Step 5: Solve for x
    x = 4,676,497,411.74/73,860.20
  6. Step 6: Final answer
    x = 63,315.53

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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.