Home / 104,864.22-144,712.85-57,117.42

Finding the Fourth Proportional to 104,864.22, 144,712.85 and 57,117.42

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Solution

The fourth proportional to 104,864.22, 144,712.85 and 57,117.42 is: 78,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,864.22 : 144,712.85 = 57,117.42 : x
  2. Step 2: Convert to fraction form
    104,864.22/144,712.85 = 57,117.42/x
  3. Step 3: Cross multiply
    104,864.22x = 144,712.85 × 57,117.42
  4. Step 4: Simplify right side
    104,864.22x = 8,265,624,347.26
  5. Step 5: Solve for x
    x = 8,265,624,347.26/104,864.22
  6. Step 6: Final answer
    x = 78,822.16

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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.