Home / 98,917.54-136,553.51-56,467.87

Finding the Fourth Proportional to 98,917.54, 136,553.51 and 56,467.87

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Solution

The fourth proportional to 98,917.54, 136,553.51 and 56,467.87 is: 77,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,917.54 : 136,553.51 = 56,467.87 : x
  2. Step 2: Convert to fraction form
    98,917.54/136,553.51 = 56,467.87/x
  3. Step 3: Cross multiply
    98,917.54x = 136,553.51 × 56,467.87
  4. Step 4: Simplify right side
    98,917.54x = 7,710,885,850.72
  5. Step 5: Solve for x
    x = 7,710,885,850.72/98,917.54
  6. Step 6: Final answer
    x = 77,952.66

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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.