Home / 106,447.04-159,669.52-40,783.04

Finding the Fourth Proportional to 106,447.04, 159,669.52 and 40,783.04

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Solution

The fourth proportional to 106,447.04, 159,669.52 and 40,783.04 is: 61,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,447.04 : 159,669.52 = 40,783.04 : x
  2. Step 2: Convert to fraction form
    106,447.04/159,669.52 = 40,783.04/x
  3. Step 3: Cross multiply
    106,447.04x = 159,669.52 × 40,783.04
  4. Step 4: Simplify right side
    106,447.04x = 6,511,808,420.94
  5. Step 5: Solve for x
    x = 6,511,808,420.94/106,447.04
  6. Step 6: Final answer
    x = 61,174.16

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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.