Home / 54,938.66-75,814.89-31,066.18

Finding the Fourth Proportional to 54,938.66, 75,814.89 and 31,066.18

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Solution

The fourth proportional to 54,938.66, 75,814.89 and 31,066.18 is: 42,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,938.66 : 75,814.89 = 31,066.18 : x
  2. Step 2: Convert to fraction form
    54,938.66/75,814.89 = 31,066.18/x
  3. Step 3: Cross multiply
    54,938.66x = 75,814.89 × 31,066.18
  4. Step 4: Simplify right side
    54,938.66x = 2,355,279,139.84
  5. Step 5: Solve for x
    x = 2,355,279,139.84/54,938.66
  6. Step 6: Final answer
    x = 42,871.07

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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.