Home / 57,701.75-79,628.66-31,205.75

Finding the Fourth Proportional to 57,701.75, 79,628.66 and 31,205.75

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Solution

The fourth proportional to 57,701.75, 79,628.66 and 31,205.75 is: 43,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.75 : 79,628.66 = 31,205.75 : x
  2. Step 2: Convert to fraction form
    57,701.75/79,628.66 = 31,205.75/x
  3. Step 3: Cross multiply
    57,701.75x = 79,628.66 × 31,205.75
  4. Step 4: Simplify right side
    57,701.75x = 2,484,871,900.77
  5. Step 5: Solve for x
    x = 2,484,871,900.77/57,701.75
  6. Step 6: Final answer
    x = 43,064.06

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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.