Home / 99,840.30-149,822.01-46,522.86

Finding the Fourth Proportional to 99,840.30, 149,822.01 and 46,522.86

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Solution

The fourth proportional to 99,840.30, 149,822.01 and 46,522.86 is: 69,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,840.30 : 149,822.01 = 46,522.86 : x
  2. Step 2: Convert to fraction form
    99,840.30/149,822.01 = 46,522.86/x
  3. Step 3: Cross multiply
    99,840.30x = 149,822.01 × 46,522.86
  4. Step 4: Simplify right side
    99,840.30x = 6,970,148,396.15
  5. Step 5: Solve for x
    x = 6,970,148,396.15/99,840.30
  6. Step 6: Final answer
    x = 69,812.98

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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.