Home / 103,953.30-143,440.38-58,633.26

Finding the Fourth Proportional to 103,953.30, 143,440.38 and 58,633.26

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Solution

The fourth proportional to 103,953.30, 143,440.38 and 58,633.26 is: 80,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,953.30 : 143,440.38 = 58,633.26 : x
  2. Step 2: Convert to fraction form
    103,953.30/143,440.38 = 58,633.26/x
  3. Step 3: Cross multiply
    103,953.30x = 143,440.38 × 58,633.26
  4. Step 4: Simplify right side
    103,953.30x = 8,410,377,095.04
  5. Step 5: Solve for x
    x = 8,410,377,095.04/103,953.30
  6. Step 6: Final answer
    x = 80,905.34

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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.