Home / 53,828.11-80,742.12-38,898.19

Finding the Fourth Proportional to 53,828.11, 80,742.12 and 38,898.19

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Solution

The fourth proportional to 53,828.11, 80,742.12 and 38,898.19 is: 58,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,828.11 : 80,742.12 = 38,898.19 : x
  2. Step 2: Convert to fraction form
    53,828.11/80,742.12 = 38,898.19/x
  3. Step 3: Cross multiply
    53,828.11x = 80,742.12 × 38,898.19
  4. Step 4: Simplify right side
    53,828.11x = 3,140,722,324.76
  5. Step 5: Solve for x
    x = 3,140,722,324.76/53,828.11
  6. Step 6: Final answer
    x = 58,347.25

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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.