Home / 92,743.50-139,068.48-66,074.26

Finding the Fourth Proportional to 92,743.50, 139,068.48 and 66,074.26

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Solution

The fourth proportional to 92,743.50, 139,068.48 and 66,074.26 is: 99,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,743.50 : 139,068.48 = 66,074.26 : x
  2. Step 2: Convert to fraction form
    92,743.50/139,068.48 = 66,074.26/x
  3. Step 3: Cross multiply
    92,743.50x = 139,068.48 × 66,074.26
  4. Step 4: Simplify right side
    92,743.50x = 9,188,846,905.32
  5. Step 5: Solve for x
    x = 9,188,846,905.32/92,743.50
  6. Step 6: Final answer
    x = 99,078.07

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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.