Home / 74,372.14-102,633.52-40,838.14

Finding the Fourth Proportional to 74,372.14, 102,633.52 and 40,838.14

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Solution

The fourth proportional to 74,372.14, 102,633.52 and 40,838.14 is: 56,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,372.14 : 102,633.52 = 40,838.14 : x
  2. Step 2: Convert to fraction form
    74,372.14/102,633.52 = 40,838.14/x
  3. Step 3: Cross multiply
    74,372.14x = 102,633.52 × 40,838.14
  4. Step 4: Simplify right side
    74,372.14x = 4,191,362,058.45
  5. Step 5: Solve for x
    x = 4,191,362,058.45/74,372.14
  6. Step 6: Final answer
    x = 56,356.61

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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.