Home / 74,334.14-102,581.85-40,342.92

Finding the Fourth Proportional to 74,334.14, 102,581.85 and 40,342.92

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Solution

The fourth proportional to 74,334.14, 102,581.85 and 40,342.92 is: 55,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,334.14 : 102,581.85 = 40,342.92 : x
  2. Step 2: Convert to fraction form
    74,334.14/102,581.85 = 40,342.92/x
  3. Step 3: Cross multiply
    74,334.14x = 102,581.85 × 40,342.92
  4. Step 4: Simplify right side
    74,334.14x = 4,138,451,368.00
  5. Step 5: Solve for x
    x = 4,138,451,368.00/74,334.14
  6. Step 6: Final answer
    x = 55,673.63

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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.