Home / 91,632.68-126,450.96-53,909.36

Finding the Fourth Proportional to 91,632.68, 126,450.96 and 53,909.36

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Solution

The fourth proportional to 91,632.68, 126,450.96 and 53,909.36 is: 74,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,632.68 : 126,450.96 = 53,909.36 : x
  2. Step 2: Convert to fraction form
    91,632.68/126,450.96 = 53,909.36/x
  3. Step 3: Cross multiply
    91,632.68x = 126,450.96 × 53,909.36
  4. Step 4: Simplify right side
    91,632.68x = 6,816,890,324.99
  5. Step 5: Solve for x
    x = 6,816,890,324.99/91,632.68
  6. Step 6: Final answer
    x = 74,393.66

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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.