Home / 91,246.68-136,870.33-28,066.37

Finding the Fourth Proportional to 91,246.68, 136,870.33 and 28,066.37

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Solution

The fourth proportional to 91,246.68, 136,870.33 and 28,066.37 is: 42,099.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,246.68 : 136,870.33 = 28,066.37 : x
  2. Step 2: Convert to fraction form
    91,246.68/136,870.33 = 28,066.37/x
  3. Step 3: Cross multiply
    91,246.68x = 136,870.33 × 28,066.37
  4. Step 4: Simplify right side
    91,246.68x = 3,841,453,855.69
  5. Step 5: Solve for x
    x = 3,841,453,855.69/91,246.68
  6. Step 6: Final answer
    x = 42,099.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.