Home / 74,233.82-102,442.95-40,242.37

Finding the Fourth Proportional to 74,233.82, 102,442.95 and 40,242.37

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Solution

The fourth proportional to 74,233.82, 102,442.95 and 40,242.37 is: 55,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,233.82 : 102,442.95 = 40,242.37 : x
  2. Step 2: Convert to fraction form
    74,233.82/102,442.95 = 40,242.37/x
  3. Step 3: Cross multiply
    74,233.82x = 102,442.95 × 40,242.37
  4. Step 4: Simplify right side
    74,233.82x = 4,122,547,097.79
  5. Step 5: Solve for x
    x = 4,122,547,097.79/74,233.82
  6. Step 6: Final answer
    x = 55,534.62

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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.