Home / 80,116.08-120,098.16-35,718.36

Finding the Fourth Proportional to 80,116.08, 120,098.16 and 35,718.36

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Solution

The fourth proportional to 80,116.08, 120,098.16 and 35,718.36 is: 53,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,116.08 : 120,098.16 = 35,718.36 : x
  2. Step 2: Convert to fraction form
    80,116.08/120,098.16 = 35,718.36/x
  3. Step 3: Cross multiply
    80,116.08x = 120,098.16 × 35,718.36
  4. Step 4: Simplify right side
    80,116.08x = 4,289,709,314.22
  5. Step 5: Solve for x
    x = 4,289,709,314.22/80,116.08
  6. Step 6: Final answer
    x = 53,543.67

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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.