Home / 57,759.10-86,507.43-45,200.86

Finding the Fourth Proportional to 57,759.10, 86,507.43 and 45,200.86

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Solution

The fourth proportional to 57,759.10, 86,507.43 and 45,200.86 is: 67,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,759.10 : 86,507.43 = 45,200.86 : x
  2. Step 2: Convert to fraction form
    57,759.10/86,507.43 = 45,200.86/x
  3. Step 3: Cross multiply
    57,759.10x = 86,507.43 × 45,200.86
  4. Step 4: Simplify right side
    57,759.10x = 3,910,210,232.39
  5. Step 5: Solve for x
    x = 3,910,210,232.39/57,759.10
  6. Step 6: Final answer
    x = 67,698.60

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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.