Home / 52,432.91-72,358.01-28,559.78

Finding the Fourth Proportional to 52,432.91, 72,358.01 and 28,559.78

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Solution

The fourth proportional to 52,432.91, 72,358.01 and 28,559.78 is: 39,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432.91 : 72,358.01 = 28,559.78 : x
  2. Step 2: Convert to fraction form
    52,432.91/72,358.01 = 28,559.78/x
  3. Step 3: Cross multiply
    52,432.91x = 72,358.01 × 28,559.78
  4. Step 4: Simplify right side
    52,432.91x = 2,066,528,846.84
  5. Step 5: Solve for x
    x = 2,066,528,846.84/52,432.91
  6. Step 6: Final answer
    x = 39,412.82

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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.