Home / 69,593.04-96,039.06-39,378.60

Finding the Fourth Proportional to 69,593.04, 96,039.06 and 39,378.60

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Solution

The fourth proportional to 69,593.04, 96,039.06 and 39,378.60 is: 54,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,593.04 : 96,039.06 = 39,378.60 : x
  2. Step 2: Convert to fraction form
    69,593.04/96,039.06 = 39,378.60/x
  3. Step 3: Cross multiply
    69,593.04x = 96,039.06 × 39,378.60
  4. Step 4: Simplify right side
    69,593.04x = 3,781,883,728.12
  5. Step 5: Solve for x
    x = 3,781,883,728.12/69,593.04
  6. Step 6: Final answer
    x = 54,342.84

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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.