Home / 104,739.45-144,538.53-58,170.71

Finding the Fourth Proportional to 104,739.45, 144,538.53 and 58,170.71

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Solution

The fourth proportional to 104,739.45, 144,538.53 and 58,170.71 is: 80,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,739.45 : 144,538.53 = 58,170.71 : x
  2. Step 2: Convert to fraction form
    104,739.45/144,538.53 = 58,170.71/x
  3. Step 3: Cross multiply
    104,739.45x = 144,538.53 × 58,170.71
  4. Step 4: Simplify right side
    104,739.45x = 8,407,908,242.63
  5. Step 5: Solve for x
    x = 8,407,908,242.63/104,739.45
  6. Step 6: Final answer
    x = 80,274.51

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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.