Home / 53,385.68-80,051.28-17,834.18

Finding the Fourth Proportional to 53,385.68, 80,051.28 and 17,834.18

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Solution

The fourth proportional to 53,385.68, 80,051.28 and 17,834.18 is: 26,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.68 : 80,051.28 = 17,834.18 : x
  2. Step 2: Convert to fraction form
    53,385.68/80,051.28 = 17,834.18/x
  3. Step 3: Cross multiply
    53,385.68x = 80,051.28 × 17,834.18
  4. Step 4: Simplify right side
    53,385.68x = 1,427,648,936.75
  5. Step 5: Solve for x
    x = 1,427,648,936.75/53,385.68
  6. Step 6: Final answer
    x = 26,742.17

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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.