Home / 103,965.08-143,471.64-58,642.93

Finding the Fourth Proportional to 103,965.08, 143,471.64 and 58,642.93

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Solution

The fourth proportional to 103,965.08, 143,471.64 and 58,642.93 is: 80,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,965.08 : 143,471.64 = 58,642.93 : x
  2. Step 2: Convert to fraction form
    103,965.08/143,471.64 = 58,642.93/x
  3. Step 3: Cross multiply
    103,965.08x = 143,471.64 × 58,642.93
  4. Step 4: Simplify right side
    103,965.08x = 8,413,596,982.83
  5. Step 5: Solve for x
    x = 8,413,596,982.83/103,965.08
  6. Step 6: Final answer
    x = 80,927.14

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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.