Home / 88,919.60-133,379.40-73,559.60

Finding the Fourth Proportional to 88,919.60, 133,379.40 and 73,559.60

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Solution

The fourth proportional to 88,919.60, 133,379.40 and 73,559.60 is: 110,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,919.60 : 133,379.40 = 73,559.60 : x
  2. Step 2: Convert to fraction form
    88,919.60/133,379.40 = 73,559.60/x
  3. Step 3: Cross multiply
    88,919.60x = 133,379.40 × 73,559.60
  4. Step 4: Simplify right side
    88,919.60x = 9,811,335,312.24
  5. Step 5: Solve for x
    x = 9,811,335,312.24/88,919.60
  6. Step 6: Final answer
    x = 110,339.40

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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.