Home / 48,138.18-66,433.95-26,919.42

Finding the Fourth Proportional to 48,138.18, 66,433.95 and 26,919.42

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Solution

The fourth proportional to 48,138.18, 66,433.95 and 26,919.42 is: 37,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.18 : 66,433.95 = 26,919.42 : x
  2. Step 2: Convert to fraction form
    48,138.18/66,433.95 = 26,919.42/x
  3. Step 3: Cross multiply
    48,138.18x = 66,433.95 × 26,919.42
  4. Step 4: Simplify right side
    48,138.18x = 1,788,363,402.31
  5. Step 5: Solve for x
    x = 1,788,363,402.31/48,138.18
  6. Step 6: Final answer
    x = 37,150.62

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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.