Home / 57,239.78-78,990.85-32,089.28

Finding the Fourth Proportional to 57,239.78, 78,990.85 and 32,089.28

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Solution

The fourth proportional to 57,239.78, 78,990.85 and 32,089.28 is: 44,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239.78 : 78,990.85 = 32,089.28 : x
  2. Step 2: Convert to fraction form
    57,239.78/78,990.85 = 32,089.28/x
  3. Step 3: Cross multiply
    57,239.78x = 78,990.85 × 32,089.28
  4. Step 4: Simplify right side
    57,239.78x = 2,534,759,503.09
  5. Step 5: Solve for x
    x = 2,534,759,503.09/57,239.78
  6. Step 6: Final answer
    x = 44,283.18

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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.