Home / 57,052.67-78,731.01-31,560.05

Finding the Fourth Proportional to 57,052.67, 78,731.01 and 31,560.05

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Solution

The fourth proportional to 57,052.67, 78,731.01 and 31,560.05 is: 43,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,052.67 : 78,731.01 = 31,560.05 : x
  2. Step 2: Convert to fraction form
    57,052.67/78,731.01 = 31,560.05/x
  3. Step 3: Cross multiply
    57,052.67x = 78,731.01 × 31,560.05
  4. Step 4: Simplify right side
    57,052.67x = 2,484,754,808.98
  5. Step 5: Solve for x
    x = 2,484,754,808.98/57,052.67
  6. Step 6: Final answer
    x = 43,551.95

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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.