Home / 79,090.17-118,647.63-25,769.77

Finding the Fourth Proportional to 79,090.17, 118,647.63 and 25,769.77

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Solution

The fourth proportional to 79,090.17, 118,647.63 and 25,769.77 is: 38,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,090.17 : 118,647.63 = 25,769.77 : x
  2. Step 2: Convert to fraction form
    79,090.17/118,647.63 = 25,769.77/x
  3. Step 3: Cross multiply
    79,090.17x = 118,647.63 × 25,769.77
  4. Step 4: Simplify right side
    79,090.17x = 3,057,521,839.53
  5. Step 5: Solve for x
    x = 3,057,521,839.53/79,090.17
  6. Step 6: Final answer
    x = 38,658.68

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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.