Home / 103,555.04-142,910.07-58,232.81

Finding the Fourth Proportional to 103,555.04, 142,910.07 and 58,232.81

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Solution

The fourth proportional to 103,555.04, 142,910.07 and 58,232.81 is: 80,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,555.04 : 142,910.07 = 58,232.81 : x
  2. Step 2: Convert to fraction form
    103,555.04/142,910.07 = 58,232.81/x
  3. Step 3: Cross multiply
    103,555.04x = 142,910.07 × 58,232.81
  4. Step 4: Simplify right side
    103,555.04x = 8,322,054,238.85
  5. Step 5: Solve for x
    x = 8,322,054,238.85/103,555.04
  6. Step 6: Final answer
    x = 80,363.59

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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.