Home / 90,021.76-124,230.04-52,298.44

Finding the Fourth Proportional to 90,021.76, 124,230.04 and 52,298.44

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Solution

The fourth proportional to 90,021.76, 124,230.04 and 52,298.44 is: 72,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,021.76 : 124,230.04 = 52,298.44 : x
  2. Step 2: Convert to fraction form
    90,021.76/124,230.04 = 52,298.44/x
  3. Step 3: Cross multiply
    90,021.76x = 124,230.04 × 52,298.44
  4. Step 4: Simplify right side
    90,021.76x = 6,497,037,293.14
  5. Step 5: Solve for x
    x = 6,497,037,293.14/90,021.76
  6. Step 6: Final answer
    x = 72,171.85

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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.