Home / 42,861.52-64,291.68-41,802.64

Finding the Fourth Proportional to 42,861.52, 64,291.68 and 41,802.64

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Solution

The fourth proportional to 42,861.52, 64,291.68 and 41,802.64 is: 62,703.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,861.52 : 64,291.68 = 41,802.64 : x
  2. Step 2: Convert to fraction form
    42,861.52/64,291.68 = 41,802.64/x
  3. Step 3: Cross multiply
    42,861.52x = 64,291.68 × 41,802.64
  4. Step 4: Simplify right side
    42,861.52x = 2,687,561,954.04
  5. Step 5: Solve for x
    x = 2,687,561,954.04/42,861.52
  6. Step 6: Final answer
    x = 62,703.37

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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.