Home / 66,157.32-91,258.74-43,500.36

Finding the Fourth Proportional to 66,157.32, 91,258.74 and 43,500.36

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Solution

The fourth proportional to 66,157.32, 91,258.74 and 43,500.36 is: 60,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,157.32 : 91,258.74 = 43,500.36 : x
  2. Step 2: Convert to fraction form
    66,157.32/91,258.74 = 43,500.36/x
  3. Step 3: Cross multiply
    66,157.32x = 91,258.74 × 43,500.36
  4. Step 4: Simplify right side
    66,157.32x = 3,969,788,043.15
  5. Step 5: Solve for x
    x = 3,969,788,043.15/66,157.32
  6. Step 6: Final answer
    x = 60,005.27

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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.