Home / 103,969.23-143,474.29-58,646.53

Finding the Fourth Proportional to 103,969.23, 143,474.29 and 58,646.53

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Solution

The fourth proportional to 103,969.23, 143,474.29 and 58,646.53 is: 80,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,969.23 : 143,474.29 = 58,646.53 : x
  2. Step 2: Convert to fraction form
    103,969.23/143,474.29 = 58,646.53/x
  3. Step 3: Cross multiply
    103,969.23x = 143,474.29 × 58,646.53
  4. Step 4: Simplify right side
    103,969.23x = 8,414,269,252.71
  5. Step 5: Solve for x
    x = 8,414,269,252.71/103,969.23
  6. Step 6: Final answer
    x = 80,930.38

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1.5x scale

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.