Home / 74,278.94-102,511.94-42,441.66

Finding the Fourth Proportional to 74,278.94, 102,511.94 and 42,441.66

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Solution

The fourth proportional to 74,278.94, 102,511.94 and 42,441.66 is: 58,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,278.94 : 102,511.94 = 42,441.66 : x
  2. Step 2: Convert to fraction form
    74,278.94/102,511.94 = 42,441.66/x
  3. Step 3: Cross multiply
    74,278.94x = 102,511.94 × 42,441.66
  4. Step 4: Simplify right side
    74,278.94x = 4,350,776,691.21
  5. Step 5: Solve for x
    x = 4,350,776,691.21/74,278.94
  6. Step 6: Final answer
    x = 58,573.49

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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.