Home / 52,721.87-72,749.00-31,496.63

Finding the Fourth Proportional to 52,721.87, 72,749.00 and 31,496.63

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Solution

The fourth proportional to 52,721.87, 72,749.00 and 31,496.63 is: 43,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,721.87 : 72,749.00 = 31,496.63 : x
  2. Step 2: Convert to fraction form
    52,721.87/72,749.00 = 31,496.63/x
  3. Step 3: Cross multiply
    52,721.87x = 72,749.00 × 31,496.63
  4. Step 4: Simplify right side
    52,721.87x = 2,291,347,814.64
  5. Step 5: Solve for x
    x = 2,291,347,814.64/52,721.87
  6. Step 6: Final answer
    x = 43,461.05

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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.