Home / 111,053.14-153,253.36-62,665.34

Finding the Fourth Proportional to 111,053.14, 153,253.36 and 62,665.34

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Solution

The fourth proportional to 111,053.14, 153,253.36 and 62,665.34 is: 86,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,053.14 : 153,253.36 = 62,665.34 : x
  2. Step 2: Convert to fraction form
    111,053.14/153,253.36 = 62,665.34/x
  3. Step 3: Cross multiply
    111,053.14x = 153,253.36 × 62,665.34
  4. Step 4: Simplify right side
    111,053.14x = 9,603,673,910.54
  5. Step 5: Solve for x
    x = 9,603,673,910.54/111,053.14
  6. Step 6: Final answer
    x = 86,478.18

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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.