Home / 70,785.02-106,214.42-28,696.21

Finding the Fourth Proportional to 70,785.02, 106,214.42 and 28,696.21

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Solution

The fourth proportional to 70,785.02, 106,214.42 and 28,696.21 is: 43,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,785.02 : 106,214.42 = 28,696.21 : x
  2. Step 2: Convert to fraction form
    70,785.02/106,214.42 = 28,696.21/x
  3. Step 3: Cross multiply
    70,785.02x = 106,214.42 × 28,696.21
  4. Step 4: Simplify right side
    70,785.02x = 3,047,951,107.55
  5. Step 5: Solve for x
    x = 3,047,951,107.55/70,785.02
  6. Step 6: Final answer
    x = 43,059.27

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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.