Home / 53,777.58-80,555.40-31,523.38

Finding the Fourth Proportional to 53,777.58, 80,555.40 and 31,523.38

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Solution

The fourth proportional to 53,777.58, 80,555.40 and 31,523.38 is: 47,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,777.58 : 80,555.40 = 31,523.38 : x
  2. Step 2: Convert to fraction form
    53,777.58/80,555.40 = 31,523.38/x
  3. Step 3: Cross multiply
    53,777.58x = 80,555.40 × 31,523.38
  4. Step 4: Simplify right side
    53,777.58x = 2,539,378,485.25
  5. Step 5: Solve for x
    x = 2,539,378,485.25/53,777.58
  6. Step 6: Final answer
    x = 47,220.02

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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.