Home / 97,342.70-134,332.66-54,321.73

Finding the Fourth Proportional to 97,342.70, 134,332.66 and 54,321.73

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Solution

The fourth proportional to 97,342.70, 134,332.66 and 54,321.73 is: 74,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,342.70 : 134,332.66 = 54,321.73 : x
  2. Step 2: Convert to fraction form
    97,342.70/134,332.66 = 54,321.73/x
  3. Step 3: Cross multiply
    97,342.70x = 134,332.66 × 54,321.73
  4. Step 4: Simplify right side
    97,342.70x = 7,297,182,977.87
  5. Step 5: Solve for x
    x = 7,297,182,977.87/97,342.70
  6. Step 6: Final answer
    x = 74,963.84

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1.5x scale

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.