Home / 55,127.19-82,698.48-17,678.46

Finding the Fourth Proportional to 55,127.19, 82,698.48 and 17,678.46

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Solution

The fourth proportional to 55,127.19, 82,698.48 and 17,678.46 is: 26,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,127.19 : 82,698.48 = 17,678.46 : x
  2. Step 2: Convert to fraction form
    55,127.19/82,698.48 = 17,678.46/x
  3. Step 3: Cross multiply
    55,127.19x = 82,698.48 × 17,678.46
  4. Step 4: Simplify right side
    55,127.19x = 1,461,981,770.74
  5. Step 5: Solve for x
    x = 1,461,981,770.74/55,127.19
  6. Step 6: Final answer
    x = 26,520.16

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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.