Home / 104,077.94-143,631.03-63,783.91

Finding the Fourth Proportional to 104,077.94, 143,631.03 and 63,783.91

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Solution

The fourth proportional to 104,077.94, 143,631.03 and 63,783.91 is: 88,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,077.94 : 143,631.03 = 63,783.91 : x
  2. Step 2: Convert to fraction form
    104,077.94/143,631.03 = 63,783.91/x
  3. Step 3: Cross multiply
    104,077.94x = 143,631.03 × 63,783.91
  4. Step 4: Simplify right side
    104,077.94x = 9,161,348,631.08
  5. Step 5: Solve for x
    x = 9,161,348,631.08/104,077.94
  6. Step 6: Final answer
    x = 88,023.93

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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.