Home / 66,079.02-91,189.13-35,864.33

Finding the Fourth Proportional to 66,079.02, 91,189.13 and 35,864.33

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Solution

The fourth proportional to 66,079.02, 91,189.13 and 35,864.33 is: 49,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,079.02 : 91,189.13 = 35,864.33 : x
  2. Step 2: Convert to fraction form
    66,079.02/91,189.13 = 35,864.33/x
  3. Step 3: Cross multiply
    66,079.02x = 91,189.13 × 35,864.33
  4. Step 4: Simplify right side
    66,079.02x = 3,270,437,404.85
  5. Step 5: Solve for x
    x = 3,270,437,404.85/66,079.02
  6. Step 6: Final answer
    x = 49,492.83

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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.