Home / 73,272.60-109,737.98-53,502.12

Finding the Fourth Proportional to 73,272.60, 109,737.98 and 53,502.12

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Solution

The fourth proportional to 73,272.60, 109,737.98 and 53,502.12 is: 80,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,272.60 : 109,737.98 = 53,502.12 : x
  2. Step 2: Convert to fraction form
    73,272.60/109,737.98 = 53,502.12/x
  3. Step 3: Cross multiply
    73,272.60x = 109,737.98 × 53,502.12
  4. Step 4: Simplify right side
    73,272.60x = 5,871,214,307.01
  5. Step 5: Solve for x
    x = 5,871,214,307.01/73,272.60
  6. Step 6: Final answer
    x = 80,128.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.