Home / 74,403.16-102,677.12-40,411.98

Finding the Fourth Proportional to 74,403.16, 102,677.12 and 40,411.98

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Solution

The fourth proportional to 74,403.16, 102,677.12 and 40,411.98 is: 55,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,403.16 : 102,677.12 = 40,411.98 : x
  2. Step 2: Convert to fraction form
    74,403.16/102,677.12 = 40,411.98/x
  3. Step 3: Cross multiply
    74,403.16x = 102,677.12 × 40,411.98
  4. Step 4: Simplify right side
    74,403.16x = 4,149,385,719.90
  5. Step 5: Solve for x
    x = 4,149,385,719.90/74,403.16
  6. Step 6: Final answer
    x = 55,768.94

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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.