Home / 55,974.24-77,113.06-38,949.20

Finding the Fourth Proportional to 55,974.24, 77,113.06 and 38,949.20

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Solution

The fourth proportional to 55,974.24, 77,113.06 and 38,949.20 is: 53,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,974.24 : 77,113.06 = 38,949.20 : x
  2. Step 2: Convert to fraction form
    55,974.24/77,113.06 = 38,949.20/x
  3. Step 3: Cross multiply
    55,974.24x = 77,113.06 × 38,949.20
  4. Step 4: Simplify right side
    55,974.24x = 3,003,492,455.64
  5. Step 5: Solve for x
    x = 3,003,492,455.64/55,974.24
  6. Step 6: Final answer
    x = 53,658.48

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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.