Home / 97,128.09-145,700.40-27,007.41

Finding the Fourth Proportional to 97,128.09, 145,700.40 and 27,007.41

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Solution

The fourth proportional to 97,128.09, 145,700.40 and 27,007.41 is: 40,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,128.09 : 145,700.40 = 27,007.41 : x
  2. Step 2: Convert to fraction form
    97,128.09/145,700.40 = 27,007.41/x
  3. Step 3: Cross multiply
    97,128.09x = 145,700.40 × 27,007.41
  4. Step 4: Simplify right side
    97,128.09x = 3,934,990,439.96
  5. Step 5: Solve for x
    x = 3,934,990,439.96/97,128.09
  6. Step 6: Final answer
    x = 40,513.41

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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.