Home / 90,846.24-125,338.64-55,024.80

Finding the Fourth Proportional to 90,846.24, 125,338.64 and 55,024.80

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Solution

The fourth proportional to 90,846.24, 125,338.64 and 55,024.80 is: 75,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,846.24 : 125,338.64 = 55,024.80 : x
  2. Step 2: Convert to fraction form
    90,846.24/125,338.64 = 55,024.80/x
  3. Step 3: Cross multiply
    90,846.24x = 125,338.64 × 55,024.80
  4. Step 4: Simplify right side
    90,846.24x = 6,896,733,598.27
  5. Step 5: Solve for x
    x = 6,896,733,598.27/90,846.24
  6. Step 6: Final answer
    x = 75,916.56

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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.