Home / 106,315.50-159,572.06-53,762.70

Finding the Fourth Proportional to 106,315.50, 159,572.06 and 53,762.70

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Solution

The fourth proportional to 106,315.50, 159,572.06 and 53,762.70 is: 80,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,315.50 : 159,572.06 = 53,762.70 : x
  2. Step 2: Convert to fraction form
    106,315.50/159,572.06 = 53,762.70/x
  3. Step 3: Cross multiply
    106,315.50x = 159,572.06 × 53,762.70
  4. Step 4: Simplify right side
    106,315.50x = 8,579,024,790.16
  5. Step 5: Solve for x
    x = 8,579,024,790.16/106,315.50
  6. Step 6: Final answer
    x = 80,694.02

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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.