Home / 75,589.80-104,328.36-50,051.12

Finding the Fourth Proportional to 75,589.80, 104,328.36 and 50,051.12

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Solution

The fourth proportional to 75,589.80, 104,328.36 and 50,051.12 is: 69,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,589.80 : 104,328.36 = 50,051.12 : x
  2. Step 2: Convert to fraction form
    75,589.80/104,328.36 = 50,051.12/x
  3. Step 3: Cross multiply
    75,589.80x = 104,328.36 × 50,051.12
  4. Step 4: Simplify right side
    75,589.80x = 5,221,751,265.76
  5. Step 5: Solve for x
    x = 5,221,751,265.76/75,589.80
  6. Step 6: Final answer
    x = 69,080.10

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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.