Home / 91,097.82-125,715.60-50,814.18

Finding the Fourth Proportional to 91,097.82, 125,715.60 and 50,814.18

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Solution

The fourth proportional to 91,097.82, 125,715.60 and 50,814.18 is: 70,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,097.82 : 125,715.60 = 50,814.18 : x
  2. Step 2: Convert to fraction form
    91,097.82/125,715.60 = 50,814.18/x
  3. Step 3: Cross multiply
    91,097.82x = 125,715.60 × 50,814.18
  4. Step 4: Simplify right side
    91,097.82x = 6,388,135,127.21
  5. Step 5: Solve for x
    x = 6,388,135,127.21/91,097.82
  6. Step 6: Final answer
    x = 70,123.91

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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.