Home / 75,226.32-103,775.58-63,285.30

Finding the Fourth Proportional to 75,226.32, 103,775.58 and 63,285.30

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Solution

The fourth proportional to 75,226.32, 103,775.58 and 63,285.30 is: 87,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,226.32 : 103,775.58 = 63,285.30 : x
  2. Step 2: Convert to fraction form
    75,226.32/103,775.58 = 63,285.30/x
  3. Step 3: Cross multiply
    75,226.32x = 103,775.58 × 63,285.30
  4. Step 4: Simplify right side
    75,226.32x = 6,567,468,712.97
  5. Step 5: Solve for x
    x = 6,567,468,712.97/75,226.32
  6. Step 6: Final answer
    x = 87,302.80

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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.