Home / 73,176.12-109,742.40-31,055.60

Finding the Fourth Proportional to 73,176.12, 109,742.40 and 31,055.60

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Solution

The fourth proportional to 73,176.12, 109,742.40 and 31,055.60 is: 46,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,176.12 : 109,742.40 = 31,055.60 : x
  2. Step 2: Convert to fraction form
    73,176.12/109,742.40 = 31,055.60/x
  3. Step 3: Cross multiply
    73,176.12x = 109,742.40 × 31,055.60
  4. Step 4: Simplify right side
    73,176.12x = 3,408,116,077.44
  5. Step 5: Solve for x
    x = 3,408,116,077.44/73,176.12
  6. Step 6: Final answer
    x = 46,574.16

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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.