Home / 61,439.27-92,163.05-20,896.26

Finding the Fourth Proportional to 61,439.27, 92,163.05 and 20,896.26

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Solution

The fourth proportional to 61,439.27, 92,163.05 and 20,896.26 is: 31,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,439.27 : 92,163.05 = 20,896.26 : x
  2. Step 2: Convert to fraction form
    61,439.27/92,163.05 = 20,896.26/x
  3. Step 3: Cross multiply
    61,439.27x = 92,163.05 × 20,896.26
  4. Step 4: Simplify right side
    61,439.27x = 1,925,862,950.71
  5. Step 5: Solve for x
    x = 1,925,862,950.71/61,439.27
  6. Step 6: Final answer
    x = 31,345.80

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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.