Home / 75,931.02-113,896.26-20,527.02

Finding the Fourth Proportional to 75,931.02, 113,896.26 and 20,527.02

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Solution

The fourth proportional to 75,931.02, 113,896.26 and 20,527.02 is: 30,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,931.02 : 113,896.26 = 20,527.02 : x
  2. Step 2: Convert to fraction form
    75,931.02/113,896.26 = 20,527.02/x
  3. Step 3: Cross multiply
    75,931.02x = 113,896.26 × 20,527.02
  4. Step 4: Simplify right side
    75,931.02x = 2,337,950,806.95
  5. Step 5: Solve for x
    x = 2,337,950,806.95/75,931.02
  6. Step 6: Final answer
    x = 30,790.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.