Home / 114,739.50-158,355.36-64,438.50

Finding the Fourth Proportional to 114,739.50, 158,355.36 and 64,438.50

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Solution

The fourth proportional to 114,739.50, 158,355.36 and 64,438.50 is: 88,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,739.50 : 158,355.36 = 64,438.50 : x
  2. Step 2: Convert to fraction form
    114,739.50/158,355.36 = 64,438.50/x
  3. Step 3: Cross multiply
    114,739.50x = 158,355.36 × 64,438.50
  4. Step 4: Simplify right side
    114,739.50x = 10,204,181,865.36
  5. Step 5: Solve for x
    x = 10,204,181,865.36/114,739.50
  6. Step 6: Final answer
    x = 88,933.47

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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.