Home / 93,942.83-129,636.21-53,648.72

Finding the Fourth Proportional to 93,942.83, 129,636.21 and 53,648.72

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Solution

The fourth proportional to 93,942.83, 129,636.21 and 53,648.72 is: 74,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,942.83 : 129,636.21 = 53,648.72 : x
  2. Step 2: Convert to fraction form
    93,942.83/129,636.21 = 53,648.72/x
  3. Step 3: Cross multiply
    93,942.83x = 129,636.21 × 53,648.72
  4. Step 4: Simplify right side
    93,942.83x = 6,954,816,732.15
  5. Step 5: Solve for x
    x = 6,954,816,732.15/93,942.83
  6. Step 6: Final answer
    x = 74,032.44

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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.