Home / 65,602.23-98,402.97-28,138.02

Finding the Fourth Proportional to 65,602.23, 98,402.97 and 28,138.02

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Solution

The fourth proportional to 65,602.23, 98,402.97 and 28,138.02 is: 42,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,602.23 : 98,402.97 = 28,138.02 : x
  2. Step 2: Convert to fraction form
    65,602.23/98,402.97 = 28,138.02/x
  3. Step 3: Cross multiply
    65,602.23x = 98,402.97 × 28,138.02
  4. Step 4: Simplify right side
    65,602.23x = 2,768,864,737.92
  5. Step 5: Solve for x
    x = 2,768,864,737.92/65,602.23
  6. Step 6: Final answer
    x = 42,206.87

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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.