Home / 97,372.47-134,380.23-54,915.51

Finding the Fourth Proportional to 97,372.47, 134,380.23 and 54,915.51

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Solution

The fourth proportional to 97,372.47, 134,380.23 and 54,915.51 is: 75,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,372.47 : 134,380.23 = 54,915.51 : x
  2. Step 2: Convert to fraction form
    97,372.47/134,380.23 = 54,915.51/x
  3. Step 3: Cross multiply
    97,372.47x = 134,380.23 × 54,915.51
  4. Step 4: Simplify right side
    97,372.47x = 7,379,558,864.37
  5. Step 5: Solve for x
    x = 7,379,558,864.37/97,372.47
  6. Step 6: Final answer
    x = 75,786.91

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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.