Home / 98,614.68-136,072.62-56,174.04

Finding the Fourth Proportional to 98,614.68, 136,072.62 and 56,174.04

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Solution

The fourth proportional to 98,614.68, 136,072.62 and 56,174.04 is: 77,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,614.68 : 136,072.62 = 56,174.04 : x
  2. Step 2: Convert to fraction form
    98,614.68/136,072.62 = 56,174.04/x
  3. Step 3: Cross multiply
    98,614.68x = 136,072.62 × 56,174.04
  4. Step 4: Simplify right side
    98,614.68x = 7,643,748,798.78
  5. Step 5: Solve for x
    x = 7,643,748,798.78/98,614.68
  6. Step 6: Final answer
    x = 77,511.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.