Home / 97,847.04-135,028.80-53,134.72

Finding the Fourth Proportional to 97,847.04, 135,028.80 and 53,134.72

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Solution

The fourth proportional to 97,847.04, 135,028.80 and 53,134.72 is: 73,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,847.04 : 135,028.80 = 53,134.72 : x
  2. Step 2: Convert to fraction form
    97,847.04/135,028.80 = 53,134.72/x
  3. Step 3: Cross multiply
    97,847.04x = 135,028.80 × 53,134.72
  4. Step 4: Simplify right side
    97,847.04x = 7,174,717,479.94
  5. Step 5: Solve for x
    x = 7,174,717,479.94/97,847.04
  6. Step 6: Final answer
    x = 73,325.85

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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.