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Finding the Fourth Proportional to 85,497.50, 117,983.04 and 49,687.22

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Solution

The fourth proportional to 85,497.50, 117,983.04 and 49,687.22 is: 68,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,497.50 : 117,983.04 = 49,687.22 : x
  2. Step 2: Convert to fraction form
    85,497.50/117,983.04 = 49,687.22/x
  3. Step 3: Cross multiply
    85,497.50x = 117,983.04 × 49,687.22
  4. Step 4: Simplify right side
    85,497.50x = 5,862,249,264.75
  5. Step 5: Solve for x
    x = 5,862,249,264.75/85,497.50
  6. Step 6: Final answer
    x = 68,566.32

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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.