Home / 91,326.33-126,069.14-55,527.78

Finding the Fourth Proportional to 91,326.33, 126,069.14 and 55,527.78

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Solution

The fourth proportional to 91,326.33, 126,069.14 and 55,527.78 is: 76,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,326.33 : 126,069.14 = 55,527.78 : x
  2. Step 2: Convert to fraction form
    91,326.33/126,069.14 = 55,527.78/x
  3. Step 3: Cross multiply
    91,326.33x = 126,069.14 × 55,527.78
  4. Step 4: Simplify right side
    91,326.33x = 7,000,339,470.71
  5. Step 5: Solve for x
    x = 7,000,339,470.71/91,326.33
  6. Step 6: Final answer
    x = 76,651.93

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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.