Home / 54,888.53-75,745.19-31,014.70

Finding the Fourth Proportional to 54,888.53, 75,745.19 and 31,014.70

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Solution

The fourth proportional to 54,888.53, 75,745.19 and 31,014.70 is: 42,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,888.53 : 75,745.19 = 31,014.70 : x
  2. Step 2: Convert to fraction form
    54,888.53/75,745.19 = 31,014.70/x
  3. Step 3: Cross multiply
    54,888.53x = 75,745.19 × 31,014.70
  4. Step 4: Simplify right side
    54,888.53x = 2,349,214,043.10
  5. Step 5: Solve for x
    x = 2,349,214,043.10/54,888.53
  6. Step 6: Final answer
    x = 42,799.72

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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.