Home / 104,043.16-143,579.10-56,297.35

Finding the Fourth Proportional to 104,043.16, 143,579.10 and 56,297.35

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Solution

The fourth proportional to 104,043.16, 143,579.10 and 56,297.35 is: 77,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,043.16 : 143,579.10 = 56,297.35 : x
  2. Step 2: Convert to fraction form
    104,043.16/143,579.10 = 56,297.35/x
  3. Step 3: Cross multiply
    104,043.16x = 143,579.10 × 56,297.35
  4. Step 4: Simplify right side
    104,043.16x = 8,083,122,845.39
  5. Step 5: Solve for x
    x = 8,083,122,845.39/104,043.16
  6. Step 6: Final answer
    x = 77,690.09

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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.