Home / 97,730.81-134,857.14-54,712.66

Finding the Fourth Proportional to 97,730.81, 134,857.14 and 54,712.66

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Solution

The fourth proportional to 97,730.81, 134,857.14 and 54,712.66 is: 75,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,730.81 : 134,857.14 = 54,712.66 : x
  2. Step 2: Convert to fraction form
    97,730.81/134,857.14 = 54,712.66/x
  3. Step 3: Cross multiply
    97,730.81x = 134,857.14 × 54,712.66
  4. Step 4: Simplify right side
    97,730.81x = 7,378,392,849.39
  5. Step 5: Solve for x
    x = 7,378,392,849.39/97,730.81
  6. Step 6: Final answer
    x = 75,497.10

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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.