Home / 97,145.28-145,745.76-34,820.16

Finding the Fourth Proportional to 97,145.28, 145,745.76 and 34,820.16

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Solution

The fourth proportional to 97,145.28, 145,745.76 and 34,820.16 is: 52,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,145.28 : 145,745.76 = 34,820.16 : x
  2. Step 2: Convert to fraction form
    97,145.28/145,745.76 = 34,820.16/x
  3. Step 3: Cross multiply
    97,145.28x = 145,745.76 × 34,820.16
  4. Step 4: Simplify right side
    97,145.28x = 5,074,890,682.52
  5. Step 5: Solve for x
    x = 5,074,890,682.52/97,145.28
  6. Step 6: Final answer
    x = 52,240.22

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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.