Home / 91,805.77-137,715.33-38,444.08

Finding the Fourth Proportional to 91,805.77, 137,715.33 and 38,444.08

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Solution

The fourth proportional to 91,805.77, 137,715.33 and 38,444.08 is: 57,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,805.77 : 137,715.33 = 38,444.08 : x
  2. Step 2: Convert to fraction form
    91,805.77/137,715.33 = 38,444.08/x
  3. Step 3: Cross multiply
    91,805.77x = 137,715.33 × 38,444.08
  4. Step 4: Simplify right side
    91,805.77x = 5,294,339,163.75
  5. Step 5: Solve for x
    x = 5,294,339,163.75/91,805.77
  6. Step 6: Final answer
    x = 57,668.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.