Home / 93,370.16-139,976.94-40,739.60

Finding the Fourth Proportional to 93,370.16, 139,976.94 and 40,739.60

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Solution

The fourth proportional to 93,370.16, 139,976.94 and 40,739.60 is: 61,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,370.16 : 139,976.94 = 40,739.60 : x
  2. Step 2: Convert to fraction form
    93,370.16/139,976.94 = 40,739.60/x
  3. Step 3: Cross multiply
    93,370.16x = 139,976.94 × 40,739.60
  4. Step 4: Simplify right side
    93,370.16x = 5,702,604,544.82
  5. Step 5: Solve for x
    x = 5,702,604,544.82/93,370.16
  6. Step 6: Final answer
    x = 61,075.24

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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.