Home / 90,568.10-124,984.43-56,596.33

Finding the Fourth Proportional to 90,568.10, 124,984.43 and 56,596.33

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Solution

The fourth proportional to 90,568.10, 124,984.43 and 56,596.33 is: 78,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,568.10 : 124,984.43 = 56,596.33 : x
  2. Step 2: Convert to fraction form
    90,568.10/124,984.43 = 56,596.33/x
  3. Step 3: Cross multiply
    90,568.10x = 124,984.43 × 56,596.33
  4. Step 4: Simplify right side
    90,568.10x = 7,073,659,137.24
  5. Step 5: Solve for x
    x = 7,073,659,137.24/90,568.10
  6. Step 6: Final answer
    x = 78,103.21

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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.