Home / 76,264.43-105,248.43-42,273.64

Finding the Fourth Proportional to 76,264.43, 105,248.43 and 42,273.64

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Solution

The fourth proportional to 76,264.43, 105,248.43 and 42,273.64 is: 58,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,264.43 : 105,248.43 = 42,273.64 : x
  2. Step 2: Convert to fraction form
    76,264.43/105,248.43 = 42,273.64/x
  3. Step 3: Cross multiply
    76,264.43x = 105,248.43 × 42,273.64
  4. Step 4: Simplify right side
    76,264.43x = 4,449,234,029.02
  5. Step 5: Solve for x
    x = 4,449,234,029.02/76,264.43
  6. Step 6: Final answer
    x = 58,339.57

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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.