Home / 87,048.02-119,343.94-85,473.38

Finding the Fourth Proportional to 87,048.02, 119,343.94 and 85,473.38

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Solution

The fourth proportional to 87,048.02, 119,343.94 and 85,473.38 is: 117,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,048.02 : 119,343.94 = 85,473.38 : x
  2. Step 2: Convert to fraction form
    87,048.02/119,343.94 = 85,473.38/x
  3. Step 3: Cross multiply
    87,048.02x = 119,343.94 × 85,473.38
  4. Step 4: Simplify right side
    87,048.02x = 10,200,729,934.32
  5. Step 5: Solve for x
    x = 10,200,729,934.32/87,048.02
  6. Step 6: Final answer
    x = 117,185.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.