Home / 89,863.04-124,010.64-49,579.31

Finding the Fourth Proportional to 89,863.04, 124,010.64 and 49,579.31

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Solution

The fourth proportional to 89,863.04, 124,010.64 and 49,579.31 is: 68,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,863.04 : 124,010.64 = 49,579.31 : x
  2. Step 2: Convert to fraction form
    89,863.04/124,010.64 = 49,579.31/x
  3. Step 3: Cross multiply
    89,863.04x = 124,010.64 × 49,579.31
  4. Step 4: Simplify right side
    89,863.04x = 6,148,361,343.81
  5. Step 5: Solve for x
    x = 6,148,361,343.81/89,863.04
  6. Step 6: Final answer
    x = 68,419.25

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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.