Home / 91,479.28-126,239.39-50,086.19

Finding the Fourth Proportional to 91,479.28, 126,239.39 and 50,086.19

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Solution

The fourth proportional to 91,479.28, 126,239.39 and 50,086.19 is: 69,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,479.28 : 126,239.39 = 50,086.19 : x
  2. Step 2: Convert to fraction form
    91,479.28/126,239.39 = 50,086.19/x
  3. Step 3: Cross multiply
    91,479.28x = 126,239.39 × 50,086.19
  4. Step 4: Simplify right side
    91,479.28x = 6,322,849,897.65
  5. Step 5: Solve for x
    x = 6,322,849,897.65/91,479.28
  6. Step 6: Final answer
    x = 69,117.84

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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.