Home / 103,460.63-155,050.61-47,231.03

Finding the Fourth Proportional to 103,460.63, 155,050.61 and 47,231.03

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Solution

The fourth proportional to 103,460.63, 155,050.61 and 47,231.03 is: 70,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,460.63 : 155,050.61 = 47,231.03 : x
  2. Step 2: Convert to fraction form
    103,460.63/155,050.61 = 47,231.03/x
  3. Step 3: Cross multiply
    103,460.63x = 155,050.61 × 47,231.03
  4. Step 4: Simplify right side
    103,460.63x = 7,323,200,163.90
  5. Step 5: Solve for x
    x = 7,323,200,163.90/103,460.63
  6. Step 6: Final answer
    x = 70,782.49

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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.