Home / 42,052.37-63,089.19-13,972.57

Finding the Fourth Proportional to 42,052.37, 63,089.19 and 13,972.57

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Solution

The fourth proportional to 42,052.37, 63,089.19 and 13,972.57 is: 20,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,052.37 : 63,089.19 = 13,972.57 : x
  2. Step 2: Convert to fraction form
    42,052.37/63,089.19 = 13,972.57/x
  3. Step 3: Cross multiply
    42,052.37x = 63,089.19 × 13,972.57
  4. Step 4: Simplify right side
    42,052.37x = 881,517,965.80
  5. Step 5: Solve for x
    x = 881,517,965.80/42,052.37
  6. Step 6: Final answer
    x = 20,962.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.