Home / 103,683.02-143,082.55-58,971.02

Finding the Fourth Proportional to 103,683.02, 143,082.55 and 58,971.02

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Solution

The fourth proportional to 103,683.02, 143,082.55 and 58,971.02 is: 81,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,683.02 : 143,082.55 = 58,971.02 : x
  2. Step 2: Convert to fraction form
    103,683.02/143,082.55 = 58,971.02/x
  3. Step 3: Cross multiply
    103,683.02x = 143,082.55 × 58,971.02
  4. Step 4: Simplify right side
    103,683.02x = 8,437,723,917.70
  5. Step 5: Solve for x
    x = 8,437,723,917.70/103,683.02
  6. Step 6: Final answer
    x = 81,380.00

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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.