Home / 93,085.26-139,686.88-39,777.60

Finding the Fourth Proportional to 93,085.26, 139,686.88 and 39,777.60

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Solution

The fourth proportional to 93,085.26, 139,686.88 and 39,777.60 is: 59,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,085.26 : 139,686.88 = 39,777.60 : x
  2. Step 2: Convert to fraction form
    93,085.26/139,686.88 = 39,777.60/x
  3. Step 3: Cross multiply
    93,085.26x = 139,686.88 × 39,777.60
  4. Step 4: Simplify right side
    93,085.26x = 5,556,408,837.89
  5. Step 5: Solve for x
    x = 5,556,408,837.89/93,085.26
  6. Step 6: Final answer
    x = 59,691.61

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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.