Home / 90,889.44-125,427.14-50,602.16

Finding the Fourth Proportional to 90,889.44, 125,427.14 and 50,602.16

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Solution

The fourth proportional to 90,889.44, 125,427.14 and 50,602.16 is: 69,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,889.44 : 125,427.14 = 50,602.16 : x
  2. Step 2: Convert to fraction form
    90,889.44/125,427.14 = 50,602.16/x
  3. Step 3: Cross multiply
    90,889.44x = 125,427.14 × 50,602.16
  4. Step 4: Simplify right side
    90,889.44x = 6,346,883,326.48
  5. Step 5: Solve for x
    x = 6,346,883,326.48/90,889.44
  6. Step 6: Final answer
    x = 69,830.81

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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.