Home / 115,967.20-174,008.40-45,848.80

Finding the Fourth Proportional to 115,967.20, 174,008.40 and 45,848.80

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Solution

The fourth proportional to 115,967.20, 174,008.40 and 45,848.80 is: 68,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,967.20 : 174,008.40 = 45,848.80 : x
  2. Step 2: Convert to fraction form
    115,967.20/174,008.40 = 45,848.80/x
  3. Step 3: Cross multiply
    115,967.20x = 174,008.40 × 45,848.80
  4. Step 4: Simplify right side
    115,967.20x = 7,978,076,329.92
  5. Step 5: Solve for x
    x = 7,978,076,329.92/115,967.20
  6. Step 6: Final answer
    x = 68,795.97

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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.