Home / 55,616.05-76,742.76-31,741.30

Finding the Fourth Proportional to 55,616.05, 76,742.76 and 31,741.30

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Solution

The fourth proportional to 55,616.05, 76,742.76 and 31,741.30 is: 43,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,616.05 : 76,742.76 = 31,741.30 : x
  2. Step 2: Convert to fraction form
    55,616.05/76,742.76 = 31,741.30/x
  3. Step 3: Cross multiply
    55,616.05x = 76,742.76 × 31,741.30
  4. Step 4: Simplify right side
    55,616.05x = 2,435,914,967.99
  5. Step 5: Solve for x
    x = 2,435,914,967.99/55,616.05
  6. Step 6: Final answer
    x = 43,798.78

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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.