Home / 93,086.26-139,688.38-39,778.60

Finding the Fourth Proportional to 93,086.26, 139,688.38 and 39,778.60

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Solution

The fourth proportional to 93,086.26, 139,688.38 and 39,778.60 is: 59,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,086.26 : 139,688.38 = 39,778.60 : x
  2. Step 2: Convert to fraction form
    93,086.26/139,688.38 = 39,778.60/x
  3. Step 3: Cross multiply
    93,086.26x = 139,688.38 × 39,778.60
  4. Step 4: Simplify right side
    93,086.26x = 5,556,608,192.67
  5. Step 5: Solve for x
    x = 5,556,608,192.67/93,086.26
  6. Step 6: Final answer
    x = 59,693.11

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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.