Home / 106,038.06-159,060.74-53,418.84

Finding the Fourth Proportional to 106,038.06, 159,060.74 and 53,418.84

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Solution

The fourth proportional to 106,038.06, 159,060.74 and 53,418.84 is: 80,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,038.06 : 159,060.74 = 53,418.84 : x
  2. Step 2: Convert to fraction form
    106,038.06/159,060.74 = 53,418.84/x
  3. Step 3: Cross multiply
    106,038.06x = 159,060.74 × 53,418.84
  4. Step 4: Simplify right side
    106,038.06x = 8,496,840,401.73
  5. Step 5: Solve for x
    x = 8,496,840,401.73/106,038.06
  6. Step 6: Final answer
    x = 80,130.10

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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.