Home / 92,974.78-139,471.40-29,779.03

Finding the Fourth Proportional to 92,974.78, 139,471.40 and 29,779.03

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Solution

The fourth proportional to 92,974.78, 139,471.40 and 29,779.03 is: 44,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,974.78 : 139,471.40 = 29,779.03 : x
  2. Step 2: Convert to fraction form
    92,974.78/139,471.40 = 29,779.03/x
  3. Step 3: Cross multiply
    92,974.78x = 139,471.40 × 29,779.03
  4. Step 4: Simplify right side
    92,974.78x = 4,153,323,004.74
  5. Step 5: Solve for x
    x = 4,153,323,004.74/92,974.78
  6. Step 6: Final answer
    x = 44,671.50

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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.