Home / 90,733.24-125,225.49-65,323.71

Finding the Fourth Proportional to 90,733.24, 125,225.49 and 65,323.71

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Solution

The fourth proportional to 90,733.24, 125,225.49 and 65,323.71 is: 90,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733.24 : 125,225.49 = 65,323.71 : x
  2. Step 2: Convert to fraction form
    90,733.24/125,225.49 = 65,323.71/x
  3. Step 3: Cross multiply
    90,733.24x = 125,225.49 × 65,323.71
  4. Step 4: Simplify right side
    90,733.24x = 8,180,193,593.37
  5. Step 5: Solve for x
    x = 8,180,193,593.37/90,733.24
  6. Step 6: Final answer
    x = 90,156.52

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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.