Home / 52,550.79-72,521.64-28,679.01

Finding the Fourth Proportional to 52,550.79, 72,521.64 and 28,679.01

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Solution

The fourth proportional to 52,550.79, 72,521.64 and 28,679.01 is: 39,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,550.79 : 72,521.64 = 28,679.01 : x
  2. Step 2: Convert to fraction form
    52,550.79/72,521.64 = 28,679.01/x
  3. Step 3: Cross multiply
    52,550.79x = 72,521.64 × 28,679.01
  4. Step 4: Simplify right side
    52,550.79x = 2,079,848,838.78
  5. Step 5: Solve for x
    x = 2,079,848,838.78/52,550.79
  6. Step 6: Final answer
    x = 39,577.88

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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.