Home / 104,424.48-144,143.19-61,983

Finding the Fourth Proportional to 104,424.48, 144,143.19 and 61,983

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Solution

The fourth proportional to 104,424.48, 144,143.19 and 61,983 is: 85,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,424.48 : 144,143.19 = 61,983 : x
  2. Step 2: Convert to fraction form
    104,424.48/144,143.19 = 61,983/x
  3. Step 3: Cross multiply
    104,424.48x = 144,143.19 × 61,983
  4. Step 4: Simplify right side
    104,424.48x = 8,934,427,345.77
  5. Step 5: Solve for x
    x = 8,934,427,345.77/104,424.48
  6. Step 6: Final answer
    x = 85,558.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.