Home / 97,028.61-145,549.05-30,471.36

Finding the Fourth Proportional to 97,028.61, 145,549.05 and 30,471.36

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Solution

The fourth proportional to 97,028.61, 145,549.05 and 30,471.36 is: 45,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,028.61 : 145,549.05 = 30,471.36 : x
  2. Step 2: Convert to fraction form
    97,028.61/145,549.05 = 30,471.36/x
  3. Step 3: Cross multiply
    97,028.61x = 145,549.05 × 30,471.36
  4. Step 4: Simplify right side
    97,028.61x = 4,435,077,500.21
  5. Step 5: Solve for x
    x = 4,435,077,500.21/97,028.61
  6. Step 6: Final answer
    x = 45,708.97

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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.