Home / 98,650.98-136,105.04-56,179.44

Finding the Fourth Proportional to 98,650.98, 136,105.04 and 56,179.44

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Solution

The fourth proportional to 98,650.98, 136,105.04 and 56,179.44 is: 77,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,650.98 : 136,105.04 = 56,179.44 : x
  2. Step 2: Convert to fraction form
    98,650.98/136,105.04 = 56,179.44/x
  3. Step 3: Cross multiply
    98,650.98x = 136,105.04 × 56,179.44
  4. Step 4: Simplify right side
    98,650.98x = 7,646,305,068.83
  5. Step 5: Solve for x
    x = 7,646,305,068.83/98,650.98
  6. Step 6: Final answer
    x = 77,508.66

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1.5x scale

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.