Home / 75,459.77-104,091.11-47,116.25

Finding the Fourth Proportional to 75,459.77, 104,091.11 and 47,116.25

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Solution

The fourth proportional to 75,459.77, 104,091.11 and 47,116.25 is: 64,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459.77 : 104,091.11 = 47,116.25 : x
  2. Step 2: Convert to fraction form
    75,459.77/104,091.11 = 47,116.25/x
  3. Step 3: Cross multiply
    75,459.77x = 104,091.11 × 47,116.25
  4. Step 4: Simplify right side
    75,459.77x = 4,904,382,761.54
  5. Step 5: Solve for x
    x = 4,904,382,761.54/75,459.77
  6. Step 6: Final answer
    x = 64,993.34

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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.