Home / 72,635.04-100,273.68-50,240.16

Finding the Fourth Proportional to 72,635.04, 100,273.68 and 50,240.16

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Solution

The fourth proportional to 72,635.04, 100,273.68 and 50,240.16 is: 69,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,635.04 : 100,273.68 = 50,240.16 : x
  2. Step 2: Convert to fraction form
    72,635.04/100,273.68 = 50,240.16/x
  3. Step 3: Cross multiply
    72,635.04x = 100,273.68 × 50,240.16
  4. Step 4: Simplify right side
    72,635.04x = 5,037,765,726.99
  5. Step 5: Solve for x
    x = 5,037,765,726.99/72,635.04
  6. Step 6: Final answer
    x = 69,357.24

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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.