Home / 98,614.75-136,088.37-56,197.90

Finding the Fourth Proportional to 98,614.75, 136,088.37 and 56,197.90

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Solution

The fourth proportional to 98,614.75, 136,088.37 and 56,197.90 is: 77,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,614.75 : 136,088.37 = 56,197.90 : x
  2. Step 2: Convert to fraction form
    98,614.75/136,088.37 = 56,197.90/x
  3. Step 3: Cross multiply
    98,614.75x = 136,088.37 × 56,197.90
  4. Step 4: Simplify right side
    98,614.75x = 7,647,880,608.42
  5. Step 5: Solve for x
    x = 7,647,880,608.42/98,614.75
  6. Step 6: Final answer
    x = 77,553.11

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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.