Home / 109,029.96-150,465.61-61,283.16

Finding the Fourth Proportional to 109,029.96, 150,465.61 and 61,283.16

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Solution

The fourth proportional to 109,029.96, 150,465.61 and 61,283.16 is: 84,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,029.96 : 150,465.61 = 61,283.16 : x
  2. Step 2: Convert to fraction form
    109,029.96/150,465.61 = 61,283.16/x
  3. Step 3: Cross multiply
    109,029.96x = 150,465.61 × 61,283.16
  4. Step 4: Simplify right side
    109,029.96x = 9,221,008,052.13
  5. Step 5: Solve for x
    x = 9,221,008,052.13/109,029.96
  6. Step 6: Final answer
    x = 84,573.16

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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.