Home / 91,359.59-126,087.12-53,633.84

Finding the Fourth Proportional to 91,359.59, 126,087.12 and 53,633.84

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Solution

The fourth proportional to 91,359.59, 126,087.12 and 53,633.84 is: 74,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,359.59 : 126,087.12 = 53,633.84 : x
  2. Step 2: Convert to fraction form
    91,359.59/126,087.12 = 53,633.84/x
  3. Step 3: Cross multiply
    91,359.59x = 126,087.12 × 53,633.84
  4. Step 4: Simplify right side
    91,359.59x = 6,762,535,789.71
  5. Step 5: Solve for x
    x = 6,762,535,789.71/91,359.59
  6. Step 6: Final answer
    x = 74,021.09

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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.