Home / 68,077.01-93,932.37-39,777.23

Finding the Fourth Proportional to 68,077.01, 93,932.37 and 39,777.23

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Solution

The fourth proportional to 68,077.01, 93,932.37 and 39,777.23 is: 54,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,077.01 : 93,932.37 = 39,777.23 : x
  2. Step 2: Convert to fraction form
    68,077.01/93,932.37 = 39,777.23/x
  3. Step 3: Cross multiply
    68,077.01x = 93,932.37 × 39,777.23
  4. Step 4: Simplify right side
    68,077.01x = 3,736,369,485.94
  5. Step 5: Solve for x
    x = 3,736,369,485.94/68,077.01
  6. Step 6: Final answer
    x = 54,884.45

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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.