Home / 106,345.08-146,754.54-61,021.08

Finding the Fourth Proportional to 106,345.08, 146,754.54 and 61,021.08

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Solution

The fourth proportional to 106,345.08, 146,754.54 and 61,021.08 is: 84,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,345.08 : 146,754.54 = 61,021.08 : x
  2. Step 2: Convert to fraction form
    106,345.08/146,754.54 = 61,021.08/x
  3. Step 3: Cross multiply
    106,345.08x = 146,754.54 × 61,021.08
  4. Step 4: Simplify right side
    106,345.08x = 8,955,120,525.70
  5. Step 5: Solve for x
    x = 8,955,120,525.70/106,345.08
  6. Step 6: Final answer
    x = 84,208.13

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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.