Home / 92,865.22-128,150.52-50,422.84

Finding the Fourth Proportional to 92,865.22, 128,150.52 and 50,422.84

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Solution

The fourth proportional to 92,865.22, 128,150.52 and 50,422.84 is: 69,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,865.22 : 128,150.52 = 50,422.84 : x
  2. Step 2: Convert to fraction form
    92,865.22/128,150.52 = 50,422.84/x
  3. Step 3: Cross multiply
    92,865.22x = 128,150.52 × 50,422.84
  4. Step 4: Simplify right side
    92,865.22x = 6,461,713,165.88
  5. Step 5: Solve for x
    x = 6,461,713,165.88/92,865.22
  6. Step 6: Final answer
    x = 69,581.63

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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.