Home / 91,278.39-125,959.68-50,984.13

Finding the Fourth Proportional to 91,278.39, 125,959.68 and 50,984.13

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Solution

The fourth proportional to 91,278.39, 125,959.68 and 50,984.13 is: 70,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,278.39 : 125,959.68 = 50,984.13 : x
  2. Step 2: Convert to fraction form
    91,278.39/125,959.68 = 50,984.13/x
  3. Step 3: Cross multiply
    91,278.39x = 125,959.68 × 50,984.13
  4. Step 4: Simplify right side
    91,278.39x = 6,421,944,699.88
  5. Step 5: Solve for x
    x = 6,421,944,699.88/91,278.39
  6. Step 6: Final answer
    x = 70,355.59

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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.