Home / 61,720.41-92,422.50-42,718.73

Finding the Fourth Proportional to 61,720.41, 92,422.50 and 42,718.73

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Solution

The fourth proportional to 61,720.41, 92,422.50 and 42,718.73 is: 63,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,720.41 : 92,422.50 = 42,718.73 : x
  2. Step 2: Convert to fraction form
    61,720.41/92,422.50 = 42,718.73/x
  3. Step 3: Cross multiply
    61,720.41x = 92,422.50 × 42,718.73
  4. Step 4: Simplify right side
    61,720.41x = 3,948,171,361.31
  5. Step 5: Solve for x
    x = 3,948,171,361.31/61,720.41
  6. Step 6: Final answer
    x = 63,968.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.