Home / 90,447.94-124,792.70-71,268.26

Finding the Fourth Proportional to 90,447.94, 124,792.70 and 71,268.26

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Solution

The fourth proportional to 90,447.94, 124,792.70 and 71,268.26 is: 98,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,447.94 : 124,792.70 = 71,268.26 : x
  2. Step 2: Convert to fraction form
    90,447.94/124,792.70 = 71,268.26/x
  3. Step 3: Cross multiply
    90,447.94x = 124,792.70 × 71,268.26
  4. Step 4: Simplify right side
    90,447.94x = 8,893,758,589.70
  5. Step 5: Solve for x
    x = 8,893,758,589.70/90,447.94
  6. Step 6: Final answer
    x = 98,330.14

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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.