Home / 108,059.60-149,107.43-62,730.38

Finding the Fourth Proportional to 108,059.60, 149,107.43 and 62,730.38

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Solution

The fourth proportional to 108,059.60, 149,107.43 and 62,730.38 is: 86,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,059.60 : 149,107.43 = 62,730.38 : x
  2. Step 2: Convert to fraction form
    108,059.60/149,107.43 = 62,730.38/x
  3. Step 3: Cross multiply
    108,059.60x = 149,107.43 × 62,730.38
  4. Step 4: Simplify right side
    108,059.60x = 9,353,566,274.32
  5. Step 5: Solve for x
    x = 9,353,566,274.32/108,059.60
  6. Step 6: Final answer
    x = 86,559.33

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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.