Home / 64,721.43-97,079.72-17,973.09

Finding the Fourth Proportional to 64,721.43, 97,079.72 and 17,973.09

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Solution

The fourth proportional to 64,721.43, 97,079.72 and 17,973.09 is: 26,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,721.43 : 97,079.72 = 17,973.09 : x
  2. Step 2: Convert to fraction form
    64,721.43/97,079.72 = 17,973.09/x
  3. Step 3: Cross multiply
    64,721.43x = 97,079.72 × 17,973.09
  4. Step 4: Simplify right side
    64,721.43x = 1,744,822,454.87
  5. Step 5: Solve for x
    x = 1,744,822,454.87/64,721.43
  6. Step 6: Final answer
    x = 26,958.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.