Home / 106,507.17-147,026.61-70,727.85

Finding the Fourth Proportional to 106,507.17, 147,026.61 and 70,727.85

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Solution

The fourth proportional to 106,507.17, 147,026.61 and 70,727.85 is: 97,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,507.17 : 147,026.61 = 70,727.85 : x
  2. Step 2: Convert to fraction form
    106,507.17/147,026.61 = 70,727.85/x
  3. Step 3: Cross multiply
    106,507.17x = 147,026.61 × 70,727.85
  4. Step 4: Simplify right side
    106,507.17x = 10,398,876,018.09
  5. Step 5: Solve for x
    x = 10,398,876,018.09/106,507.17
  6. Step 6: Final answer
    x = 97,635.46

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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.