Home / 54,997.42-75,896.40-31,123.66

Finding the Fourth Proportional to 54,997.42, 75,896.40 and 31,123.66

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Solution

The fourth proportional to 54,997.42, 75,896.40 and 31,123.66 is: 42,950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,997.42 : 75,896.40 = 31,123.66 : x
  2. Step 2: Convert to fraction form
    54,997.42/75,896.40 = 31,123.66/x
  3. Step 3: Cross multiply
    54,997.42x = 75,896.40 × 31,123.66
  4. Step 4: Simplify right side
    54,997.42x = 2,362,173,748.82
  5. Step 5: Solve for x
    x = 2,362,173,748.82/54,997.42
  6. Step 6: Final answer
    x = 42,950.63

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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.