Home / 85,542.24-118,045.98-47,823.78

Finding the Fourth Proportional to 85,542.24, 118,045.98 and 47,823.78

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Solution

The fourth proportional to 85,542.24, 118,045.98 and 47,823.78 is: 65,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,542.24 : 118,045.98 = 47,823.78 : x
  2. Step 2: Convert to fraction form
    85,542.24/118,045.98 = 47,823.78/x
  3. Step 3: Cross multiply
    85,542.24x = 118,045.98 × 47,823.78
  4. Step 4: Simplify right side
    85,542.24x = 5,645,404,977.40
  5. Step 5: Solve for x
    x = 5,645,404,977.40/85,542.24
  6. Step 6: Final answer
    x = 65,995.52

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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.