Home / 54,582.89-75,333.66-40,316.81

Finding the Fourth Proportional to 54,582.89, 75,333.66 and 40,316.81

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Solution

The fourth proportional to 54,582.89, 75,333.66 and 40,316.81 is: 55,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582.89 : 75,333.66 = 40,316.81 : x
  2. Step 2: Convert to fraction form
    54,582.89/75,333.66 = 40,316.81/x
  3. Step 3: Cross multiply
    54,582.89x = 75,333.66 × 40,316.81
  4. Step 4: Simplify right side
    54,582.89x = 3,037,212,856.82
  5. Step 5: Solve for x
    x = 3,037,212,856.82/54,582.89
  6. Step 6: Final answer
    x = 55,644.05

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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.