Home / 55,436.12-76,493.02-31,563.24

Finding the Fourth Proportional to 55,436.12, 76,493.02 and 31,563.24

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Solution

The fourth proportional to 55,436.12, 76,493.02 and 31,563.24 is: 43,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,436.12 : 76,493.02 = 31,563.24 : x
  2. Step 2: Convert to fraction form
    55,436.12/76,493.02 = 31,563.24/x
  3. Step 3: Cross multiply
    55,436.12x = 76,493.02 × 31,563.24
  4. Step 4: Simplify right side
    55,436.12x = 2,414,367,548.58
  5. Step 5: Solve for x
    x = 2,414,367,548.58/55,436.12
  6. Step 6: Final answer
    x = 43,552.25

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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.