Home / 52,809.75-72,877.46-28,937.36

Finding the Fourth Proportional to 52,809.75, 72,877.46 and 28,937.36

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Solution

The fourth proportional to 52,809.75, 72,877.46 and 28,937.36 is: 39,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,809.75 : 72,877.46 = 28,937.36 : x
  2. Step 2: Convert to fraction form
    52,809.75/72,877.46 = 28,937.36/x
  3. Step 3: Cross multiply
    52,809.75x = 72,877.46 × 28,937.36
  4. Step 4: Simplify right side
    52,809.75x = 2,108,881,333.41
  5. Step 5: Solve for x
    x = 2,108,881,333.41/52,809.75
  6. Step 6: Final answer
    x = 39,933.56

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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.