Home / 84,529.17-126,746.31-57,905.19

Finding the Fourth Proportional to 84,529.17, 126,746.31 and 57,905.19

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Solution

The fourth proportional to 84,529.17, 126,746.31 and 57,905.19 is: 86,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,529.17 : 126,746.31 = 57,905.19 : x
  2. Step 2: Convert to fraction form
    84,529.17/126,746.31 = 57,905.19/x
  3. Step 3: Cross multiply
    84,529.17x = 126,746.31 × 57,905.19
  4. Step 4: Simplify right side
    84,529.17x = 7,339,269,162.35
  5. Step 5: Solve for x
    x = 7,339,269,162.35/84,529.17
  6. Step 6: Final answer
    x = 86,825.28

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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.