Home / 106,534.73-147,018.36-58,789.46

Finding the Fourth Proportional to 106,534.73, 147,018.36 and 58,789.46

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Solution

The fourth proportional to 106,534.73, 147,018.36 and 58,789.46 is: 81,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,534.73 : 147,018.36 = 58,789.46 : x
  2. Step 2: Convert to fraction form
    106,534.73/147,018.36 = 58,789.46/x
  3. Step 3: Cross multiply
    106,534.73x = 147,018.36 × 58,789.46
  4. Step 4: Simplify right side
    106,534.73x = 8,643,129,994.49
  5. Step 5: Solve for x
    x = 8,643,129,994.49/106,534.73
  6. Step 6: Final answer
    x = 81,129.69

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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.