Home / 106,612.36-159,950.49-31,735.12

Finding the Fourth Proportional to 106,612.36, 159,950.49 and 31,735.12

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Solution

The fourth proportional to 106,612.36, 159,950.49 and 31,735.12 is: 47,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,612.36 : 159,950.49 = 31,735.12 : x
  2. Step 2: Convert to fraction form
    106,612.36/159,950.49 = 31,735.12/x
  3. Step 3: Cross multiply
    106,612.36x = 159,950.49 × 31,735.12
  4. Step 4: Simplify right side
    106,612.36x = 5,076,047,994.21
  5. Step 5: Solve for x
    x = 5,076,047,994.21/106,612.36
  6. Step 6: Final answer
    x = 47,612.19

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1.5x scale

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.