Home / 79,956.39-119,431.17-58,708.47

Finding the Fourth Proportional to 79,956.39, 119,431.17 and 58,708.47

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Solution

The fourth proportional to 79,956.39, 119,431.17 and 58,708.47 is: 87,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,956.39 : 119,431.17 = 58,708.47 : x
  2. Step 2: Convert to fraction form
    79,956.39/119,431.17 = 58,708.47/x
  3. Step 3: Cross multiply
    79,956.39x = 119,431.17 × 58,708.47
  4. Step 4: Simplify right side
    79,956.39x = 7,011,621,261.01
  5. Step 5: Solve for x
    x = 7,011,621,261.01/79,956.39
  6. Step 6: Final answer
    x = 87,693.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.