Home / 103,801.77-143,216.81-58,463.91

Finding the Fourth Proportional to 103,801.77, 143,216.81 and 58,463.91

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Solution

The fourth proportional to 103,801.77, 143,216.81 and 58,463.91 is: 80,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,801.77 : 143,216.81 = 58,463.91 : x
  2. Step 2: Convert to fraction form
    103,801.77/143,216.81 = 58,463.91/x
  3. Step 3: Cross multiply
    103,801.77x = 143,216.81 × 58,463.91
  4. Step 4: Simplify right side
    103,801.77x = 8,373,014,836.49
  5. Step 5: Solve for x
    x = 8,373,014,836.49/103,801.77
  6. Step 6: Final answer
    x = 80,663.51

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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.