Home / 98,052.49-147,080.79-27,931.81

Finding the Fourth Proportional to 98,052.49, 147,080.79 and 27,931.81

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Solution

The fourth proportional to 98,052.49, 147,080.79 and 27,931.81 is: 41,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,052.49 : 147,080.79 = 27,931.81 : x
  2. Step 2: Convert to fraction form
    98,052.49/147,080.79 = 27,931.81/x
  3. Step 3: Cross multiply
    98,052.49x = 147,080.79 × 27,931.81
  4. Step 4: Simplify right side
    98,052.49x = 4,108,231,805.87
  5. Step 5: Solve for x
    x = 4,108,231,805.87/98,052.49
  6. Step 6: Final answer
    x = 41,898.29

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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.