Home / 99,446.16-149,032.88-52,605.48

Finding the Fourth Proportional to 99,446.16, 149,032.88 and 52,605.48

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Solution

The fourth proportional to 99,446.16, 149,032.88 and 52,605.48 is: 78,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,446.16 : 149,032.88 = 52,605.48 : x
  2. Step 2: Convert to fraction form
    99,446.16/149,032.88 = 52,605.48/x
  3. Step 3: Cross multiply
    99,446.16x = 149,032.88 × 52,605.48
  4. Step 4: Simplify right side
    99,446.16x = 7,839,946,188.18
  5. Step 5: Solve for x
    x = 7,839,946,188.18/99,446.16
  6. Step 6: Final answer
    x = 78,836.09

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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.