Home / 82,488.48-123,677.14-38,090.76

Finding the Fourth Proportional to 82,488.48, 123,677.14 and 38,090.76

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Solution

The fourth proportional to 82,488.48, 123,677.14 and 38,090.76 is: 57,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,488.48 : 123,677.14 = 38,090.76 : x
  2. Step 2: Convert to fraction form
    82,488.48/123,677.14 = 38,090.76/x
  3. Step 3: Cross multiply
    82,488.48x = 123,677.14 × 38,090.76
  4. Step 4: Simplify right side
    82,488.48x = 4,710,956,257.23
  5. Step 5: Solve for x
    x = 4,710,956,257.23/82,488.48
  6. Step 6: Final answer
    x = 57,110.47

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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.