Home / 85,733.10-128,544.90-35,847.60

Finding the Fourth Proportional to 85,733.10, 128,544.90 and 35,847.60

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Solution

The fourth proportional to 85,733.10, 128,544.90 and 35,847.60 is: 53,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,733.10 : 128,544.90 = 35,847.60 : x
  2. Step 2: Convert to fraction form
    85,733.10/128,544.90 = 35,847.60/x
  3. Step 3: Cross multiply
    85,733.10x = 128,544.90 × 35,847.60
  4. Step 4: Simplify right side
    85,733.10x = 4,608,026,157.24
  5. Step 5: Solve for x
    x = 4,608,026,157.24/85,733.10
  6. Step 6: Final answer
    x = 53,748.51

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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.