Home / 55,261.02-76,251.78-31,057.32

Finding the Fourth Proportional to 55,261.02, 76,251.78 and 31,057.32

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Solution

The fourth proportional to 55,261.02, 76,251.78 and 31,057.32 is: 42,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,261.02 : 76,251.78 = 31,057.32 : x
  2. Step 2: Convert to fraction form
    55,261.02/76,251.78 = 31,057.32/x
  3. Step 3: Cross multiply
    55,261.02x = 76,251.78 × 31,057.32
  4. Step 4: Simplify right side
    55,261.02x = 2,368,175,932.03
  5. Step 5: Solve for x
    x = 2,368,175,932.03/55,261.02
  6. Step 6: Final answer
    x = 42,854.37

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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.