Home / 93,744.44-129,232.62-66,840.16

Finding the Fourth Proportional to 93,744.44, 129,232.62 and 66,840.16

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Solution

The fourth proportional to 93,744.44, 129,232.62 and 66,840.16 is: 92,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,744.44 : 129,232.62 = 66,840.16 : x
  2. Step 2: Convert to fraction form
    93,744.44/129,232.62 = 66,840.16/x
  3. Step 3: Cross multiply
    93,744.44x = 129,232.62 × 66,840.16
  4. Step 4: Simplify right side
    93,744.44x = 8,637,928,998.02
  5. Step 5: Solve for x
    x = 8,637,928,998.02/93,744.44
  6. Step 6: Final answer
    x = 92,143.37

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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.