Home / 77,663.19-116,519.24-27,742.18

Finding the Fourth Proportional to 77,663.19, 116,519.24 and 27,742.18

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Solution

The fourth proportional to 77,663.19, 116,519.24 and 27,742.18 is: 41,622.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,663.19 : 116,519.24 = 27,742.18 : x
  2. Step 2: Convert to fraction form
    77,663.19/116,519.24 = 27,742.18/x
  3. Step 3: Cross multiply
    77,663.19x = 116,519.24 × 27,742.18
  4. Step 4: Simplify right side
    77,663.19x = 3,232,497,299.53
  5. Step 5: Solve for x
    x = 3,232,497,299.53/77,663.19
  6. Step 6: Final answer
    x = 41,622.00

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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.