Home / 74,334.29-102,581.37-40,342.77

Finding the Fourth Proportional to 74,334.29, 102,581.37 and 40,342.77

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Solution

The fourth proportional to 74,334.29, 102,581.37 and 40,342.77 is: 55,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,334.29 : 102,581.37 = 40,342.77 : x
  2. Step 2: Convert to fraction form
    74,334.29/102,581.37 = 40,342.77/x
  3. Step 3: Cross multiply
    74,334.29x = 102,581.37 × 40,342.77
  4. Step 4: Simplify right side
    74,334.29x = 4,138,416,616.19
  5. Step 5: Solve for x
    x = 4,138,416,616.19/74,334.29
  6. Step 6: Final answer
    x = 55,673.05

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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.