Home / 64,724.96-97,087.34-20,355.58

Finding the Fourth Proportional to 64,724.96, 97,087.34 and 20,355.58

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Solution

The fourth proportional to 64,724.96, 97,087.34 and 20,355.58 is: 30,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,724.96 : 97,087.34 = 20,355.58 : x
  2. Step 2: Convert to fraction form
    64,724.96/97,087.34 = 20,355.58/x
  3. Step 3: Cross multiply
    64,724.96x = 97,087.34 × 20,355.58
  4. Step 4: Simplify right side
    64,724.96x = 1,976,269,116.36
  5. Step 5: Solve for x
    x = 1,976,269,116.36/64,724.96
  6. Step 6: Final answer
    x = 30,533.34

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1.5x scale

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.