Home / 115,008.50-172,534.54-40,150.02

Finding the Fourth Proportional to 115,008.50, 172,534.54 and 40,150.02

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Solution

The fourth proportional to 115,008.50, 172,534.54 and 40,150.02 is: 60,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,008.50 : 172,534.54 = 40,150.02 : x
  2. Step 2: Convert to fraction form
    115,008.50/172,534.54 = 40,150.02/x
  3. Step 3: Cross multiply
    115,008.50x = 172,534.54 × 40,150.02
  4. Step 4: Simplify right side
    115,008.50x = 6,927,265,231.69
  5. Step 5: Solve for x
    x = 6,927,265,231.69/115,008.50
  6. Step 6: Final answer
    x = 60,232.64

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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.