Home / 106,538.84-147,026.52-58,795.80

Finding the Fourth Proportional to 106,538.84, 147,026.52 and 58,795.80

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Solution

The fourth proportional to 106,538.84, 147,026.52 and 58,795.80 is: 81,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,538.84 : 147,026.52 = 58,795.80 : x
  2. Step 2: Convert to fraction form
    106,538.84/147,026.52 = 58,795.80/x
  3. Step 3: Cross multiply
    106,538.84x = 147,026.52 × 58,795.80
  4. Step 4: Simplify right side
    106,538.84x = 8,644,541,864.62
  5. Step 5: Solve for x
    x = 8,644,541,864.62/106,538.84
  6. Step 6: Final answer
    x = 81,139.82

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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.