Home / 65,652.08-98,458.04-43,161.80

Finding the Fourth Proportional to 65,652.08, 98,458.04 and 43,161.80

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Solution

The fourth proportional to 65,652.08, 98,458.04 and 43,161.80 is: 64,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,652.08 : 98,458.04 = 43,161.80 : x
  2. Step 2: Convert to fraction form
    65,652.08/98,458.04 = 43,161.80/x
  3. Step 3: Cross multiply
    65,652.08x = 98,458.04 × 43,161.80
  4. Step 4: Simplify right side
    65,652.08x = 4,249,626,230.87
  5. Step 5: Solve for x
    x = 4,249,626,230.87/65,652.08
  6. Step 6: Final answer
    x = 64,729.50

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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.