Home / 97,128.32-145,694.40-27,006.64

Finding the Fourth Proportional to 97,128.32, 145,694.40 and 27,006.64

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Solution

The fourth proportional to 97,128.32, 145,694.40 and 27,006.64 is: 40,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,128.32 : 145,694.40 = 27,006.64 : x
  2. Step 2: Convert to fraction form
    97,128.32/145,694.40 = 27,006.64/x
  3. Step 3: Cross multiply
    97,128.32x = 145,694.40 × 27,006.64
  4. Step 4: Simplify right side
    97,128.32x = 3,934,716,210.82
  5. Step 5: Solve for x
    x = 3,934,716,210.82/97,128.32
  6. Step 6: Final answer
    x = 40,510.49

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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.