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Finding the Fourth Proportional to 64,213.04, 88,633 and 37,367.68

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Solution

The fourth proportional to 64,213.04, 88,633 and 37,367.68 is: 51,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,213.04 : 88,633 = 37,367.68 : x
  2. Step 2: Convert to fraction form
    64,213.04/88,633 = 37,367.68/x
  3. Step 3: Cross multiply
    64,213.04x = 88,633 × 37,367.68
  4. Step 4: Simplify right side
    64,213.04x = 3,312,009,581.44
  5. Step 5: Solve for x
    x = 3,312,009,581.44/64,213.04
  6. Step 6: Final answer
    x = 51,578.46

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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.