Home / 55,117.22-75,949.18-52,139.84

Finding the Fourth Proportional to 55,117.22, 75,949.18 and 52,139.84

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Solution

The fourth proportional to 55,117.22, 75,949.18 and 52,139.84 is: 71,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.22 : 75,949.18 = 52,139.84 : x
  2. Step 2: Convert to fraction form
    55,117.22/75,949.18 = 52,139.84/x
  3. Step 3: Cross multiply
    55,117.22x = 75,949.18 × 52,139.84
  4. Step 4: Simplify right side
    55,117.22x = 3,959,977,583.24
  5. Step 5: Solve for x
    x = 3,959,977,583.24/55,117.22
  6. Step 6: Final answer
    x = 71,846.47

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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.