Home / 85,331.85-117,757.15-47,091.75

Finding the Fourth Proportional to 85,331.85, 117,757.15 and 47,091.75

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Solution

The fourth proportional to 85,331.85, 117,757.15 and 47,091.75 is: 64,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,331.85 : 117,757.15 = 47,091.75 : x
  2. Step 2: Convert to fraction form
    85,331.85/117,757.15 = 47,091.75/x
  3. Step 3: Cross multiply
    85,331.85x = 117,757.15 × 47,091.75
  4. Step 4: Simplify right side
    85,331.85x = 5,545,390,268.51
  5. Step 5: Solve for x
    x = 5,545,390,268.51/85,331.85
  6. Step 6: Final answer
    x = 64,986.17

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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.