Home / 96,670.88-145,039.20-30,126.08

Finding the Fourth Proportional to 96,670.88, 145,039.20 and 30,126.08

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Solution

The fourth proportional to 96,670.88, 145,039.20 and 30,126.08 is: 45,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,670.88 : 145,039.20 = 30,126.08 : x
  2. Step 2: Convert to fraction form
    96,670.88/145,039.20 = 30,126.08/x
  3. Step 3: Cross multiply
    96,670.88x = 145,039.20 × 30,126.08
  4. Step 4: Simplify right side
    96,670.88x = 4,369,462,542.34
  5. Step 5: Solve for x
    x = 4,369,462,542.34/96,670.88
  6. Step 6: Final answer
    x = 45,199.37

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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.