Home / 79,066.68-118,608.30-25,762.80

Finding the Fourth Proportional to 79,066.68, 118,608.30 and 25,762.80

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Solution

The fourth proportional to 79,066.68, 118,608.30 and 25,762.80 is: 38,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,066.68 : 118,608.30 = 25,762.80 : x
  2. Step 2: Convert to fraction form
    79,066.68/118,608.30 = 25,762.80/x
  3. Step 3: Cross multiply
    79,066.68x = 118,608.30 × 25,762.80
  4. Step 4: Simplify right side
    79,066.68x = 3,055,681,911.24
  5. Step 5: Solve for x
    x = 3,055,681,911.24/79,066.68
  6. Step 6: Final answer
    x = 38,646.90

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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.