Home / 63,619.20-87,802.56-38,482.56

Finding the Fourth Proportional to 63,619.20, 87,802.56 and 38,482.56

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Solution

The fourth proportional to 63,619.20, 87,802.56 and 38,482.56 is: 53,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,619.20 : 87,802.56 = 38,482.56 : x
  2. Step 2: Convert to fraction form
    63,619.20/87,802.56 = 38,482.56/x
  3. Step 3: Cross multiply
    63,619.20x = 87,802.56 × 38,482.56
  4. Step 4: Simplify right side
    63,619.20x = 3,378,867,283.35
  5. Step 5: Solve for x
    x = 3,378,867,283.35/63,619.20
  6. Step 6: Final answer
    x = 53,110.81

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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.