Home / 86,896.02-119,926.26-49,172.70

Finding the Fourth Proportional to 86,896.02, 119,926.26 and 49,172.70

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Solution

The fourth proportional to 86,896.02, 119,926.26 and 49,172.70 is: 67,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,896.02 : 119,926.26 = 49,172.70 : x
  2. Step 2: Convert to fraction form
    86,896.02/119,926.26 = 49,172.70/x
  3. Step 3: Cross multiply
    86,896.02x = 119,926.26 × 49,172.70
  4. Step 4: Simplify right side
    86,896.02x = 5,897,098,005.10
  5. Step 5: Solve for x
    x = 5,897,098,005.10/86,896.02
  6. Step 6: Final answer
    x = 67,863.84

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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.