Home / 90,591.26-125,011.73-50,307.57

Finding the Fourth Proportional to 90,591.26, 125,011.73 and 50,307.57

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Solution

The fourth proportional to 90,591.26, 125,011.73 and 50,307.57 is: 69,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,591.26 : 125,011.73 = 50,307.57 : x
  2. Step 2: Convert to fraction form
    90,591.26/125,011.73 = 50,307.57/x
  3. Step 3: Cross multiply
    90,591.26x = 125,011.73 × 50,307.57
  4. Step 4: Simplify right side
    90,591.26x = 6,289,036,106.26
  5. Step 5: Solve for x
    x = 6,289,036,106.26/90,591.26
  6. Step 6: Final answer
    x = 69,422.11

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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.