Home / 82,666.31-123,960.58-57,734.51

Finding the Fourth Proportional to 82,666.31, 123,960.58 and 57,734.51

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Solution

The fourth proportional to 82,666.31, 123,960.58 and 57,734.51 is: 86,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,666.31 : 123,960.58 = 57,734.51 : x
  2. Step 2: Convert to fraction form
    82,666.31/123,960.58 = 57,734.51/x
  3. Step 3: Cross multiply
    82,666.31x = 123,960.58 × 57,734.51
  4. Step 4: Simplify right side
    82,666.31x = 7,156,802,581.48
  5. Step 5: Solve for x
    x = 7,156,802,581.48/82,666.31
  6. Step 6: Final answer
    x = 86,574.60

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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.