Home / 98,682.15-148,023.05-28,561.35

Finding the Fourth Proportional to 98,682.15, 148,023.05 and 28,561.35

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Solution

The fourth proportional to 98,682.15, 148,023.05 and 28,561.35 is: 42,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,682.15 : 148,023.05 = 28,561.35 : x
  2. Step 2: Convert to fraction form
    98,682.15/148,023.05 = 28,561.35/x
  3. Step 3: Cross multiply
    98,682.15x = 148,023.05 × 28,561.35
  4. Step 4: Simplify right side
    98,682.15x = 4,227,737,996.31
  5. Step 5: Solve for x
    x = 4,227,737,996.31/98,682.15
  6. Step 6: Final answer
    x = 42,841.97

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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.