Home / 103,707.32-155,559.18-33,586.76

Finding the Fourth Proportional to 103,707.32, 155,559.18 and 33,586.76

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Solution

The fourth proportional to 103,707.32, 155,559.18 and 33,586.76 is: 50,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,707.32 : 155,559.18 = 33,586.76 : x
  2. Step 2: Convert to fraction form
    103,707.32/155,559.18 = 33,586.76/x
  3. Step 3: Cross multiply
    103,707.32x = 155,559.18 × 33,586.76
  4. Step 4: Simplify right side
    103,707.32x = 5,224,728,844.46
  5. Step 5: Solve for x
    x = 5,224,728,844.46/103,707.32
  6. Step 6: Final answer
    x = 50,379.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.