Home / 106,777.80-160,055.40-40,172.04

Finding the Fourth Proportional to 106,777.80, 160,055.40 and 40,172.04

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Solution

The fourth proportional to 106,777.80, 160,055.40 and 40,172.04 is: 60,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,777.80 : 160,055.40 = 40,172.04 : x
  2. Step 2: Convert to fraction form
    106,777.80/160,055.40 = 40,172.04/x
  3. Step 3: Cross multiply
    106,777.80x = 160,055.40 × 40,172.04
  4. Step 4: Simplify right side
    106,777.80x = 6,429,751,931.02
  5. Step 5: Solve for x
    x = 6,429,751,931.02/106,777.80
  6. Step 6: Final answer
    x = 60,216.19

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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.