Home / 88,037.64-132,057-21,478.32

Finding the Fourth Proportional to 88,037.64, 132,057 and 21,478.32

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Solution

The fourth proportional to 88,037.64, 132,057 and 21,478.32 is: 32,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,037.64 : 132,057 = 21,478.32 : x
  2. Step 2: Convert to fraction form
    88,037.64/132,057 = 21,478.32/x
  3. Step 3: Cross multiply
    88,037.64x = 132,057 × 21,478.32
  4. Step 4: Simplify right side
    88,037.64x = 2,836,362,504.24
  5. Step 5: Solve for x
    x = 2,836,362,504.24/88,037.64
  6. Step 6: Final answer
    x = 32,217.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.