Home / 97,136.80-134,052.92-54,116.27

Finding the Fourth Proportional to 97,136.80, 134,052.92 and 54,116.27

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Solution

The fourth proportional to 97,136.80, 134,052.92 and 54,116.27 is: 74,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,136.80 : 134,052.92 = 54,116.27 : x
  2. Step 2: Convert to fraction form
    97,136.80/134,052.92 = 54,116.27/x
  3. Step 3: Cross multiply
    97,136.80x = 134,052.92 × 54,116.27
  4. Step 4: Simplify right side
    97,136.80x = 7,254,443,777.80
  5. Step 5: Solve for x
    x = 7,254,443,777.80/97,136.80
  6. Step 6: Final answer
    x = 74,682.76

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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.