Home / 48,980.08-67,565.10-30,113.56

Finding the Fourth Proportional to 48,980.08, 67,565.10 and 30,113.56

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Solution

The fourth proportional to 48,980.08, 67,565.10 and 30,113.56 is: 41,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,980.08 : 67,565.10 = 30,113.56 : x
  2. Step 2: Convert to fraction form
    48,980.08/67,565.10 = 30,113.56/x
  3. Step 3: Cross multiply
    48,980.08x = 67,565.10 × 30,113.56
  4. Step 4: Simplify right side
    48,980.08x = 2,034,625,692.76
  5. Step 5: Solve for x
    x = 2,034,625,692.76/48,980.08
  6. Step 6: Final answer
    x = 41,539.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.