Home / 101,036.07-139,371.90-63,244.71

Finding the Fourth Proportional to 101,036.07, 139,371.90 and 63,244.71

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Solution

The fourth proportional to 101,036.07, 139,371.90 and 63,244.71 is: 87,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,036.07 : 139,371.90 = 63,244.71 : x
  2. Step 2: Convert to fraction form
    101,036.07/139,371.90 = 63,244.71/x
  3. Step 3: Cross multiply
    101,036.07x = 139,371.90 × 63,244.71
  4. Step 4: Simplify right side
    101,036.07x = 8,814,535,397.65
  5. Step 5: Solve for x
    x = 8,814,535,397.65/101,036.07
  6. Step 6: Final answer
    x = 87,241.47

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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.