Home / 97,729.56-134,855.42-54,711.41

Finding the Fourth Proportional to 97,729.56, 134,855.42 and 54,711.41

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Solution

The fourth proportional to 97,729.56, 134,855.42 and 54,711.41 is: 75,495.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,729.56 : 134,855.42 = 54,711.41 : x
  2. Step 2: Convert to fraction form
    97,729.56/134,855.42 = 54,711.41/x
  3. Step 3: Cross multiply
    97,729.56x = 134,855.42 × 54,711.41
  4. Step 4: Simplify right side
    97,729.56x = 7,378,129,226.51
  5. Step 5: Solve for x
    x = 7,378,129,226.51/97,729.56
  6. Step 6: Final answer
    x = 75,495.37

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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.