Home / 101,684.04-140,321.61-58,663.65

Finding the Fourth Proportional to 101,684.04, 140,321.61 and 58,663.65

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Solution

The fourth proportional to 101,684.04, 140,321.61 and 58,663.65 is: 80,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,684.04 : 140,321.61 = 58,663.65 : x
  2. Step 2: Convert to fraction form
    101,684.04/140,321.61 = 58,663.65/x
  3. Step 3: Cross multiply
    101,684.04x = 140,321.61 × 58,663.65
  4. Step 4: Simplify right side
    101,684.04x = 8,231,777,816.48
  5. Step 5: Solve for x
    x = 8,231,777,816.48/101,684.04
  6. Step 6: Final answer
    x = 80,954.47

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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.