Home / 75,333.20-103,915.32-48,467.12

Finding the Fourth Proportional to 75,333.20, 103,915.32 and 48,467.12

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Solution

The fourth proportional to 75,333.20, 103,915.32 and 48,467.12 is: 66,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,333.20 : 103,915.32 = 48,467.12 : x
  2. Step 2: Convert to fraction form
    75,333.20/103,915.32 = 48,467.12/x
  3. Step 3: Cross multiply
    75,333.20x = 103,915.32 × 48,467.12
  4. Step 4: Simplify right side
    75,333.20x = 5,036,476,284.28
  5. Step 5: Solve for x
    x = 5,036,476,284.28/75,333.20
  6. Step 6: Final answer
    x = 66,856.00

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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.