Home / 75,410.08-103,995.92-48,505.12

Finding the Fourth Proportional to 75,410.08, 103,995.92 and 48,505.12

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Solution

The fourth proportional to 75,410.08, 103,995.92 and 48,505.12 is: 66,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,410.08 : 103,995.92 = 48,505.12 : x
  2. Step 2: Convert to fraction form
    75,410.08/103,995.92 = 48,505.12/x
  3. Step 3: Cross multiply
    75,410.08x = 103,995.92 × 48,505.12
  4. Step 4: Simplify right side
    75,410.08x = 5,044,334,579.11
  5. Step 5: Solve for x
    x = 5,044,334,579.11/75,410.08
  6. Step 6: Final answer
    x = 66,892.05

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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.