Home / 74,314.42-102,552.77-40,322.97

Finding the Fourth Proportional to 74,314.42, 102,552.77 and 40,322.97

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Solution

The fourth proportional to 74,314.42, 102,552.77 and 40,322.97 is: 55,645.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,314.42 : 102,552.77 = 40,322.97 : x
  2. Step 2: Convert to fraction form
    74,314.42/102,552.77 = 40,322.97/x
  3. Step 3: Cross multiply
    74,314.42x = 102,552.77 × 40,322.97
  4. Step 4: Simplify right side
    74,314.42x = 4,135,232,368.93
  5. Step 5: Solve for x
    x = 4,135,232,368.93/74,314.42
  6. Step 6: Final answer
    x = 55,645.09

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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.