Home / 85,637.26-118,179.62-47,399.46

Finding the Fourth Proportional to 85,637.26, 118,179.62 and 47,399.46

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Solution

The fourth proportional to 85,637.26, 118,179.62 and 47,399.46 is: 65,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,637.26 : 118,179.62 = 47,399.46 : x
  2. Step 2: Convert to fraction form
    85,637.26/118,179.62 = 47,399.46/x
  3. Step 3: Cross multiply
    85,637.26x = 118,179.62 × 47,399.46
  4. Step 4: Simplify right side
    85,637.26x = 5,601,650,171.01
  5. Step 5: Solve for x
    x = 5,601,650,171.01/85,637.26
  6. Step 6: Final answer
    x = 65,411.37

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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.