Home / 104,060.16-143,544.56-65,807.91

Finding the Fourth Proportional to 104,060.16, 143,544.56 and 65,807.91

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Solution

The fourth proportional to 104,060.16, 143,544.56 and 65,807.91 is: 90,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,060.16 : 143,544.56 = 65,807.91 : x
  2. Step 2: Convert to fraction form
    104,060.16/143,544.56 = 65,807.91/x
  3. Step 3: Cross multiply
    104,060.16x = 143,544.56 × 65,807.91
  4. Step 4: Simplify right side
    104,060.16x = 9,446,367,156.43
  5. Step 5: Solve for x
    x = 9,446,367,156.43/104,060.16
  6. Step 6: Final answer
    x = 90,777.94

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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.