Home / 82,577.13-123,838.37-31,952.67

Finding the Fourth Proportional to 82,577.13, 123,838.37 and 31,952.67

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Solution

The fourth proportional to 82,577.13, 123,838.37 and 31,952.67 is: 47,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,577.13 : 123,838.37 = 31,952.67 : x
  2. Step 2: Convert to fraction form
    82,577.13/123,838.37 = 31,952.67/x
  3. Step 3: Cross multiply
    82,577.13x = 123,838.37 × 31,952.67
  4. Step 4: Simplify right side
    82,577.13x = 3,956,966,569.95
  5. Step 5: Solve for x
    x = 3,956,966,569.95/82,577.13
  6. Step 6: Final answer
    x = 47,918.43

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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.