Home / 111,022.41-153,207.13-63,291.14

Finding the Fourth Proportional to 111,022.41, 153,207.13 and 63,291.14

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Solution

The fourth proportional to 111,022.41, 153,207.13 and 63,291.14 is: 87,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,022.41 : 153,207.13 = 63,291.14 : x
  2. Step 2: Convert to fraction form
    111,022.41/153,207.13 = 63,291.14/x
  3. Step 3: Cross multiply
    111,022.41x = 153,207.13 × 63,291.14
  4. Step 4: Simplify right side
    111,022.41x = 9,696,653,913.83
  5. Step 5: Solve for x
    x = 9,696,653,913.83/111,022.41
  6. Step 6: Final answer
    x = 87,339.61

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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.