Home / 97,277.40-145,898.10-27,142.20

Finding the Fourth Proportional to 97,277.40, 145,898.10 and 27,142.20

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Solution

The fourth proportional to 97,277.40, 145,898.10 and 27,142.20 is: 40,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,277.40 : 145,898.10 = 27,142.20 : x
  2. Step 2: Convert to fraction form
    97,277.40/145,898.10 = 27,142.20/x
  3. Step 3: Cross multiply
    97,277.40x = 145,898.10 × 27,142.20
  4. Step 4: Simplify right side
    97,277.40x = 3,959,995,409.82
  5. Step 5: Solve for x
    x = 3,959,995,409.82/97,277.40
  6. Step 6: Final answer
    x = 40,708.28

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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.