Home / 94,921.44-130,987.44-51,900.12

Finding the Fourth Proportional to 94,921.44, 130,987.44 and 51,900.12

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Solution

The fourth proportional to 94,921.44, 130,987.44 and 51,900.12 is: 71,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,921.44 : 130,987.44 = 51,900.12 : x
  2. Step 2: Convert to fraction form
    94,921.44/130,987.44 = 51,900.12/x
  3. Step 3: Cross multiply
    94,921.44x = 130,987.44 × 51,900.12
  4. Step 4: Simplify right side
    94,921.44x = 6,798,263,854.49
  5. Step 5: Solve for x
    x = 6,798,263,854.49/94,921.44
  6. Step 6: Final answer
    x = 71,619.90

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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.