Home / 66,336.18-91,545.02-36,122.09

Finding the Fourth Proportional to 66,336.18, 91,545.02 and 36,122.09

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Solution

The fourth proportional to 66,336.18, 91,545.02 and 36,122.09 is: 49,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,336.18 : 91,545.02 = 36,122.09 : x
  2. Step 2: Convert to fraction form
    66,336.18/91,545.02 = 36,122.09/x
  3. Step 3: Cross multiply
    66,336.18x = 91,545.02 × 36,122.09
  4. Step 4: Simplify right side
    66,336.18x = 3,306,797,206.08
  5. Step 5: Solve for x
    x = 3,306,797,206.08/66,336.18
  6. Step 6: Final answer
    x = 49,849.08

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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.