Home / 104,102.24-143,660.08-56,354.36

Finding the Fourth Proportional to 104,102.24, 143,660.08 and 56,354.36

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Solution

The fourth proportional to 104,102.24, 143,660.08 and 56,354.36 is: 77,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,102.24 : 143,660.08 = 56,354.36 : x
  2. Step 2: Convert to fraction form
    104,102.24/143,660.08 = 56,354.36/x
  3. Step 3: Cross multiply
    104,102.24x = 143,660.08 × 56,354.36
  4. Step 4: Simplify right side
    104,102.24x = 8,095,871,865.95
  5. Step 5: Solve for x
    x = 8,095,871,865.95/104,102.24
  6. Step 6: Final answer
    x = 77,768.47

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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.