Home / 75,909.42-104,733-49,067.64

Finding the Fourth Proportional to 75,909.42, 104,733 and 49,067.64

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Solution

The fourth proportional to 75,909.42, 104,733 and 49,067.64 is: 67,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,909.42 : 104,733 = 49,067.64 : x
  2. Step 2: Convert to fraction form
    75,909.42/104,733 = 49,067.64/x
  3. Step 3: Cross multiply
    75,909.42x = 104,733 × 49,067.64
  4. Step 4: Simplify right side
    75,909.42x = 5,139,001,140.12
  5. Step 5: Solve for x
    x = 5,139,001,140.12/75,909.42
  6. Step 6: Final answer
    x = 67,699.12

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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.