Home / 70,382.03-105,499.23-32,910.51

Finding the Fourth Proportional to 70,382.03, 105,499.23 and 32,910.51

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Solution

The fourth proportional to 70,382.03, 105,499.23 and 32,910.51 is: 49,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,382.03 : 105,499.23 = 32,910.51 : x
  2. Step 2: Convert to fraction form
    70,382.03/105,499.23 = 32,910.51/x
  3. Step 3: Cross multiply
    70,382.03x = 105,499.23 × 32,910.51
  4. Step 4: Simplify right side
    70,382.03x = 3,472,033,463.91
  5. Step 5: Solve for x
    x = 3,472,033,463.91/70,382.03
  6. Step 6: Final answer
    x = 49,331.25

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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.