Home / 69,999.02-96,596.24-39,783.80

Finding the Fourth Proportional to 69,999.02, 96,596.24 and 39,783.80

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Solution

The fourth proportional to 69,999.02, 96,596.24 and 39,783.80 is: 54,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,999.02 : 96,596.24 = 39,783.80 : x
  2. Step 2: Convert to fraction form
    69,999.02/96,596.24 = 39,783.80/x
  3. Step 3: Cross multiply
    69,999.02x = 96,596.24 × 39,783.80
  4. Step 4: Simplify right side
    69,999.02x = 3,842,964,811.01
  5. Step 5: Solve for x
    x = 3,842,964,811.01/69,999.02
  6. Step 6: Final answer
    x = 54,900.27

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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.