Home / 109,043.94-163,510.55-49,828.87

Finding the Fourth Proportional to 109,043.94, 163,510.55 and 49,828.87

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Solution

The fourth proportional to 109,043.94, 163,510.55 and 49,828.87 is: 74,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,043.94 : 163,510.55 = 49,828.87 : x
  2. Step 2: Convert to fraction form
    109,043.94/163,510.55 = 49,828.87/x
  3. Step 3: Cross multiply
    109,043.94x = 163,510.55 × 49,828.87
  4. Step 4: Simplify right side
    109,043.94x = 8,147,545,939.58
  5. Step 5: Solve for x
    x = 8,147,545,939.58/109,043.94
  6. Step 6: Final answer
    x = 74,718.01

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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.