Home / 75,158.08-112,739.85-25,239.80

Finding the Fourth Proportional to 75,158.08, 112,739.85 and 25,239.80

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Solution

The fourth proportional to 75,158.08, 112,739.85 and 25,239.80 is: 37,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,158.08 : 112,739.85 = 25,239.80 : x
  2. Step 2: Convert to fraction form
    75,158.08/112,739.85 = 25,239.80/x
  3. Step 3: Cross multiply
    75,158.08x = 112,739.85 × 25,239.80
  4. Step 4: Simplify right side
    75,158.08x = 2,845,531,547.88
  5. Step 5: Solve for x
    x = 2,845,531,547.88/75,158.08
  6. Step 6: Final answer
    x = 37,860.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.