Home / 92,848.72-139,371.48-57,813.04

Finding the Fourth Proportional to 92,848.72, 139,371.48 and 57,813.04

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Solution

The fourth proportional to 92,848.72, 139,371.48 and 57,813.04 is: 86,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,848.72 : 139,371.48 = 57,813.04 : x
  2. Step 2: Convert to fraction form
    92,848.72/139,371.48 = 57,813.04/x
  3. Step 3: Cross multiply
    92,848.72x = 139,371.48 × 57,813.04
  4. Step 4: Simplify right side
    92,848.72x = 8,057,488,948.10
  5. Step 5: Solve for x
    x = 8,057,488,948.10/92,848.72
  6. Step 6: Final answer
    x = 86,780.83

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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.