Home / 50,974.16-70,345.16-28,617.68

Finding the Fourth Proportional to 50,974.16, 70,345.16 and 28,617.68

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Solution

The fourth proportional to 50,974.16, 70,345.16 and 28,617.68 is: 39,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,974.16 : 70,345.16 = 28,617.68 : x
  2. Step 2: Convert to fraction form
    50,974.16/70,345.16 = 28,617.68/x
  3. Step 3: Cross multiply
    50,974.16x = 70,345.16 × 28,617.68
  4. Step 4: Simplify right side
    50,974.16x = 2,013,115,278.43
  5. Step 5: Solve for x
    x = 2,013,115,278.43/50,974.16
  6. Step 6: Final answer
    x = 39,492.86

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1.5x scale

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.