Home / 48,130.11-72,054.42-28,078.29

Finding the Fourth Proportional to 48,130.11, 72,054.42 and 28,078.29

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Solution

The fourth proportional to 48,130.11, 72,054.42 and 28,078.29 is: 42,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,130.11 : 72,054.42 = 28,078.29 : x
  2. Step 2: Convert to fraction form
    48,130.11/72,054.42 = 28,078.29/x
  3. Step 3: Cross multiply
    48,130.11x = 72,054.42 × 28,078.29
  4. Step 4: Simplify right side
    48,130.11x = 2,023,164,900.54
  5. Step 5: Solve for x
    x = 2,023,164,900.54/48,130.11
  6. Step 6: Final answer
    x = 42,035.33

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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.