Home / 74,487.03-102,794.13-40,497.80

Finding the Fourth Proportional to 74,487.03, 102,794.13 and 40,497.80

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Solution

The fourth proportional to 74,487.03, 102,794.13 and 40,497.80 is: 55,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,487.03 : 102,794.13 = 40,497.80 : x
  2. Step 2: Convert to fraction form
    74,487.03/102,794.13 = 40,497.80/x
  3. Step 3: Cross multiply
    74,487.03x = 102,794.13 × 40,497.80
  4. Step 4: Simplify right side
    74,487.03x = 4,162,936,047.45
  5. Step 5: Solve for x
    x = 4,162,936,047.45/74,487.03
  6. Step 6: Final answer
    x = 55,888.07

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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.