Home / 56,418.62-84,606.05-30,109.01

Finding the Fourth Proportional to 56,418.62, 84,606.05 and 30,109.01

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Solution

The fourth proportional to 56,418.62, 84,606.05 and 30,109.01 is: 45,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,418.62 : 84,606.05 = 30,109.01 : x
  2. Step 2: Convert to fraction form
    56,418.62/84,606.05 = 30,109.01/x
  3. Step 3: Cross multiply
    56,418.62x = 84,606.05 × 30,109.01
  4. Step 4: Simplify right side
    56,418.62x = 2,547,404,057.75
  5. Step 5: Solve for x
    x = 2,547,404,057.75/56,418.62
  6. Step 6: Final answer
    x = 45,151.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.