Home / 74,089.76-102,243.04-40,097.48

Finding the Fourth Proportional to 74,089.76, 102,243.04 and 40,097.48

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Solution

The fourth proportional to 74,089.76, 102,243.04 and 40,097.48 is: 55,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,089.76 : 102,243.04 = 40,097.48 : x
  2. Step 2: Convert to fraction form
    74,089.76/102,243.04 = 40,097.48/x
  3. Step 3: Cross multiply
    74,089.76x = 102,243.04 × 40,097.48
  4. Step 4: Simplify right side
    74,089.76x = 4,099,688,251.54
  5. Step 5: Solve for x
    x = 4,099,688,251.54/74,089.76
  6. Step 6: Final answer
    x = 55,334.07

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1.5x scale

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.