Home / 54,753.37-75,555.12-30,885.91

Finding the Fourth Proportional to 54,753.37, 75,555.12 and 30,885.91

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Solution

The fourth proportional to 54,753.37, 75,555.12 and 30,885.91 is: 42,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.37 : 75,555.12 = 30,885.91 : x
  2. Step 2: Convert to fraction form
    54,753.37/75,555.12 = 30,885.91/x
  3. Step 3: Cross multiply
    54,753.37x = 75,555.12 × 30,885.91
  4. Step 4: Simplify right side
    54,753.37x = 2,333,588,258.58
  5. Step 5: Solve for x
    x = 2,333,588,258.58/54,753.37
  6. Step 6: Final answer
    x = 42,620.00

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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.