Home / 90,556.40-124,961.82-50,268.17

Finding the Fourth Proportional to 90,556.40, 124,961.82 and 50,268.17

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Solution

The fourth proportional to 90,556.40, 124,961.82 and 50,268.17 is: 69,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,556.40 : 124,961.82 = 50,268.17 : x
  2. Step 2: Convert to fraction form
    90,556.40/124,961.82 = 50,268.17/x
  3. Step 3: Cross multiply
    90,556.40x = 124,961.82 × 50,268.17
  4. Step 4: Simplify right side
    90,556.40x = 6,281,602,011.27
  5. Step 5: Solve for x
    x = 6,281,602,011.27/90,556.40
  6. Step 6: Final answer
    x = 69,366.74

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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.