Home / 80,172.08-110,637.60-44,363.60

Finding the Fourth Proportional to 80,172.08, 110,637.60 and 44,363.60

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Solution

The fourth proportional to 80,172.08, 110,637.60 and 44,363.60 is: 61,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,172.08 : 110,637.60 = 44,363.60 : x
  2. Step 2: Convert to fraction form
    80,172.08/110,637.60 = 44,363.60/x
  3. Step 3: Cross multiply
    80,172.08x = 110,637.60 × 44,363.60
  4. Step 4: Simplify right side
    80,172.08x = 4,908,282,231.36
  5. Step 5: Solve for x
    x = 4,908,282,231.36/80,172.08
  6. Step 6: Final answer
    x = 61,221.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.