Home / 103,684.02-143,083.93-58,972.02

Finding the Fourth Proportional to 103,684.02, 143,083.93 and 58,972.02

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Solution

The fourth proportional to 103,684.02, 143,083.93 and 58,972.02 is: 81,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,684.02 : 143,083.93 = 58,972.02 : x
  2. Step 2: Convert to fraction form
    103,684.02/143,083.93 = 58,972.02/x
  3. Step 3: Cross multiply
    103,684.02x = 143,083.93 × 58,972.02
  4. Step 4: Simplify right side
    103,684.02x = 8,437,948,381.64
  5. Step 5: Solve for x
    x = 8,437,948,381.64/103,684.02
  6. Step 6: Final answer
    x = 81,381.38

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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.