Home / 90,814.20-125,321.63-52,575.37

Finding the Fourth Proportional to 90,814.20, 125,321.63 and 52,575.37

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Solution

The fourth proportional to 90,814.20, 125,321.63 and 52,575.37 is: 72,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,814.20 : 125,321.63 = 52,575.37 : x
  2. Step 2: Convert to fraction form
    90,814.20/125,321.63 = 52,575.37/x
  3. Step 3: Cross multiply
    90,814.20x = 125,321.63 × 52,575.37
  4. Step 4: Simplify right side
    90,814.20x = 6,588,830,176.77
  5. Step 5: Solve for x
    x = 6,588,830,176.77/90,814.20
  6. Step 6: Final answer
    x = 72,552.87

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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.