Home / 109,093.21-150,547.68-61,345.54

Finding the Fourth Proportional to 109,093.21, 150,547.68 and 61,345.54

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Solution

The fourth proportional to 109,093.21, 150,547.68 and 61,345.54 is: 84,656.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,093.21 : 150,547.68 = 61,345.54 : x
  2. Step 2: Convert to fraction form
    109,093.21/150,547.68 = 61,345.54/x
  3. Step 3: Cross multiply
    109,093.21x = 150,547.68 × 61,345.54
  4. Step 4: Simplify right side
    109,093.21x = 9,235,428,725.35
  5. Step 5: Solve for x
    x = 9,235,428,725.35/109,093.21
  6. Step 6: Final answer
    x = 84,656.31

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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.