Home / 124,429.38-171,716.86-70,716.66

Finding the Fourth Proportional to 124,429.38, 171,716.86 and 70,716.66

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Solution

The fourth proportional to 124,429.38, 171,716.86 and 70,716.66 is: 97,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,429.38 : 171,716.86 = 70,716.66 : x
  2. Step 2: Convert to fraction form
    124,429.38/171,716.86 = 70,716.66/x
  3. Step 3: Cross multiply
    124,429.38x = 171,716.86 × 70,716.66
  4. Step 4: Simplify right side
    124,429.38x = 12,143,241,769.51
  5. Step 5: Solve for x
    x = 12,143,241,769.51/124,429.38
  6. Step 6: Final answer
    x = 97,591.44

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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.