Home / 103,698.64-143,095.98-61,249.24

Finding the Fourth Proportional to 103,698.64, 143,095.98 and 61,249.24

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Solution

The fourth proportional to 103,698.64, 143,095.98 and 61,249.24 is: 84,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,698.64 : 143,095.98 = 61,249.24 : x
  2. Step 2: Convert to fraction form
    103,698.64/143,095.98 = 61,249.24/x
  3. Step 3: Cross multiply
    103,698.64x = 143,095.98 × 61,249.24
  4. Step 4: Simplify right side
    103,698.64x = 8,764,520,022.06
  5. Step 5: Solve for x
    x = 8,764,520,022.06/103,698.64
  6. Step 6: Final answer
    x = 84,519.14

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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.