Home / 57,253.05-78,952.93-52,727.47

Finding the Fourth Proportional to 57,253.05, 78,952.93 and 52,727.47

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Solution

The fourth proportional to 57,253.05, 78,952.93 and 52,727.47 is: 72,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,253.05 : 78,952.93 = 52,727.47 : x
  2. Step 2: Convert to fraction form
    57,253.05/78,952.93 = 52,727.47/x
  3. Step 3: Cross multiply
    57,253.05x = 78,952.93 × 52,727.47
  4. Step 4: Simplify right side
    57,253.05x = 4,162,987,918.79
  5. Step 5: Solve for x
    x = 4,162,987,918.79/57,253.05
  6. Step 6: Final answer
    x = 72,712.07

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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.