Home / 102,812.49-154,221.77-27,932.24

Finding the Fourth Proportional to 102,812.49, 154,221.77 and 27,932.24

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Solution

The fourth proportional to 102,812.49, 154,221.77 and 27,932.24 is: 41,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,812.49 : 154,221.77 = 27,932.24 : x
  2. Step 2: Convert to fraction form
    102,812.49/154,221.77 = 27,932.24/x
  3. Step 3: Cross multiply
    102,812.49x = 154,221.77 × 27,932.24
  4. Step 4: Simplify right side
    102,812.49x = 4,307,759,948.25
  5. Step 5: Solve for x
    x = 4,307,759,948.25/102,812.49
  6. Step 6: Final answer
    x = 41,899.19

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1.5x scale

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.