Home / 91,913.38-137,834.52-35,745.90

Finding the Fourth Proportional to 91,913.38, 137,834.52 and 35,745.90

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Solution

The fourth proportional to 91,913.38, 137,834.52 and 35,745.90 is: 53,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,913.38 : 137,834.52 = 35,745.90 : x
  2. Step 2: Convert to fraction form
    91,913.38/137,834.52 = 35,745.90/x
  3. Step 3: Cross multiply
    91,913.38x = 137,834.52 × 35,745.90
  4. Step 4: Simplify right side
    91,913.38x = 4,927,018,968.47
  5. Step 5: Solve for x
    x = 4,927,018,968.47/91,913.38
  6. Step 6: Final answer
    x = 53,605.02

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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.