Home / 69,778.19-96,315.85-39,583.59

Finding the Fourth Proportional to 69,778.19, 96,315.85 and 39,583.59

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Solution

The fourth proportional to 69,778.19, 96,315.85 and 39,583.59 is: 54,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,778.19 : 96,315.85 = 39,583.59 : x
  2. Step 2: Convert to fraction form
    69,778.19/96,315.85 = 39,583.59/x
  3. Step 3: Cross multiply
    69,778.19x = 96,315.85 × 39,583.59
  4. Step 4: Simplify right side
    69,778.19x = 3,812,526,805.20
  5. Step 5: Solve for x
    x = 3,812,526,805.20/69,778.19
  6. Step 6: Final answer
    x = 54,637.80

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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.