Home / 93,435.20-129,047.84-68,054.64

Finding the Fourth Proportional to 93,435.20, 129,047.84 and 68,054.64

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Solution

The fourth proportional to 93,435.20, 129,047.84 and 68,054.64 is: 93,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,435.20 : 129,047.84 = 68,054.64 : x
  2. Step 2: Convert to fraction form
    93,435.20/129,047.84 = 68,054.64/x
  3. Step 3: Cross multiply
    93,435.20x = 129,047.84 × 68,054.64
  4. Step 4: Simplify right side
    93,435.20x = 8,782,304,293.98
  5. Step 5: Solve for x
    x = 8,782,304,293.98/93,435.20
  6. Step 6: Final answer
    x = 93,993.53

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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.