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Finding the Fourth Proportional to 85,010.59, 117,349.19 and 54,797.59

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Solution

The fourth proportional to 85,010.59, 117,349.19 and 54,797.59 is: 75,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,010.59 : 117,349.19 = 54,797.59 : x
  2. Step 2: Convert to fraction form
    85,010.59/117,349.19 = 54,797.59/x
  3. Step 3: Cross multiply
    85,010.59x = 117,349.19 × 54,797.59
  4. Step 4: Simplify right side
    85,010.59x = 6,430,452,800.45
  5. Step 5: Solve for x
    x = 6,430,452,800.45/85,010.59
  6. Step 6: Final answer
    x = 75,642.96

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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.