Home / 74,081.93-102,233.06-40,090.42

Finding the Fourth Proportional to 74,081.93, 102,233.06 and 40,090.42

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Solution

The fourth proportional to 74,081.93, 102,233.06 and 40,090.42 is: 55,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,081.93 : 102,233.06 = 40,090.42 : x
  2. Step 2: Convert to fraction form
    74,081.93/102,233.06 = 40,090.42/x
  3. Step 3: Cross multiply
    74,081.93x = 102,233.06 × 40,090.42
  4. Step 4: Simplify right side
    74,081.93x = 4,098,565,702.44
  5. Step 5: Solve for x
    x = 4,098,565,702.44/74,081.93
  6. Step 6: Final answer
    x = 55,324.77

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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.