Home / 90,037.82-124,250.48-49,750.72

Finding the Fourth Proportional to 90,037.82, 124,250.48 and 49,750.72

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Solution

The fourth proportional to 90,037.82, 124,250.48 and 49,750.72 is: 68,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,037.82 : 124,250.48 = 49,750.72 : x
  2. Step 2: Convert to fraction form
    90,037.82/124,250.48 = 49,750.72/x
  3. Step 3: Cross multiply
    90,037.82x = 124,250.48 × 49,750.72
  4. Step 4: Simplify right side
    90,037.82x = 6,181,550,467.35
  5. Step 5: Solve for x
    x = 6,181,550,467.35/90,037.82
  6. Step 6: Final answer
    x = 68,655.04

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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.