Home / 97,112.66-145,668.17-26,991.77

Finding the Fourth Proportional to 97,112.66, 145,668.17 and 26,991.77

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Solution

The fourth proportional to 97,112.66, 145,668.17 and 26,991.77 is: 40,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,112.66 : 145,668.17 = 26,991.77 : x
  2. Step 2: Convert to fraction form
    97,112.66/145,668.17 = 26,991.77/x
  3. Step 3: Cross multiply
    97,112.66x = 145,668.17 × 26,991.77
  4. Step 4: Simplify right side
    97,112.66x = 3,931,841,080.10
  5. Step 5: Solve for x
    x = 3,931,841,080.10/97,112.66
  6. Step 6: Final answer
    x = 40,487.42

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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.