Home / 103,695.02-143,099.11-58,983.02

Finding the Fourth Proportional to 103,695.02, 143,099.11 and 58,983.02

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Solution

The fourth proportional to 103,695.02, 143,099.11 and 58,983.02 is: 81,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695.02 : 143,099.11 = 58,983.02 : x
  2. Step 2: Convert to fraction form
    103,695.02/143,099.11 = 58,983.02/x
  3. Step 3: Cross multiply
    103,695.02x = 143,099.11 × 58,983.02
  4. Step 4: Simplify right side
    103,695.02x = 8,440,417,667.11
  5. Step 5: Solve for x
    x = 8,440,417,667.11/103,695.02
  6. Step 6: Final answer
    x = 81,396.56

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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.