Home / 91,941.20-137,898.48-29,603.60

Finding the Fourth Proportional to 91,941.20, 137,898.48 and 29,603.60

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Solution

The fourth proportional to 91,941.20, 137,898.48 and 29,603.60 is: 44,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,941.20 : 137,898.48 = 29,603.60 : x
  2. Step 2: Convert to fraction form
    91,941.20/137,898.48 = 29,603.60/x
  3. Step 3: Cross multiply
    91,941.20x = 137,898.48 × 29,603.60
  4. Step 4: Simplify right side
    91,941.20x = 4,082,291,442.53
  5. Step 5: Solve for x
    x = 4,082,291,442.53/91,941.20
  6. Step 6: Final answer
    x = 44,401.11

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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.