Home / 74,582.19-111,873.27-61,406.87

Finding the Fourth Proportional to 74,582.19, 111,873.27 and 61,406.87

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Solution

The fourth proportional to 74,582.19, 111,873.27 and 61,406.87 is: 92,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.19 : 111,873.27 = 61,406.87 : x
  2. Step 2: Convert to fraction form
    74,582.19/111,873.27 = 61,406.87/x
  3. Step 3: Cross multiply
    74,582.19x = 111,873.27 × 61,406.87
  4. Step 4: Simplify right side
    74,582.19x = 6,869,786,788.00
  5. Step 5: Solve for x
    x = 6,869,786,788.00/74,582.19
  6. Step 6: Final answer
    x = 92,110.29

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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.