Home / 55,522.14-76,605.39-31,640.10

Finding the Fourth Proportional to 55,522.14, 76,605.39 and 31,640.10

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Solution

The fourth proportional to 55,522.14, 76,605.39 and 31,640.10 is: 43,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,522.14 : 76,605.39 = 31,640.10 : x
  2. Step 2: Convert to fraction form
    55,522.14/76,605.39 = 31,640.10/x
  3. Step 3: Cross multiply
    55,522.14x = 76,605.39 × 31,640.10
  4. Step 4: Simplify right side
    55,522.14x = 2,423,802,200.14
  5. Step 5: Solve for x
    x = 2,423,802,200.14/55,522.14
  6. Step 6: Final answer
    x = 43,654.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.