Home / 75,458.77-104,089.73-47,115.25

Finding the Fourth Proportional to 75,458.77, 104,089.73 and 47,115.25

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Solution

The fourth proportional to 75,458.77, 104,089.73 and 47,115.25 is: 64,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,458.77 : 104,089.73 = 47,115.25 : x
  2. Step 2: Convert to fraction form
    75,458.77/104,089.73 = 47,115.25/x
  3. Step 3: Cross multiply
    75,458.77x = 104,089.73 × 47,115.25
  4. Step 4: Simplify right side
    75,458.77x = 4,904,213,130.93
  5. Step 5: Solve for x
    x = 4,904,213,130.93/75,458.77
  6. Step 6: Final answer
    x = 64,991.96

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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.