Home / 91,104.32-136,656.49-48,926.38

Finding the Fourth Proportional to 91,104.32, 136,656.49 and 48,926.38

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Solution

The fourth proportional to 91,104.32, 136,656.49 and 48,926.38 is: 73,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,104.32 : 136,656.49 = 48,926.38 : x
  2. Step 2: Convert to fraction form
    91,104.32/136,656.49 = 48,926.38/x
  3. Step 3: Cross multiply
    91,104.32x = 136,656.49 × 48,926.38
  4. Step 4: Simplify right side
    91,104.32x = 6,686,107,359.21
  5. Step 5: Solve for x
    x = 6,686,107,359.21/91,104.32
  6. Step 6: Final answer
    x = 73,389.58

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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.