Home / 107,447.80-161,170.86-28,567.60

Finding the Fourth Proportional to 107,447.80, 161,170.86 and 28,567.60

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Solution

The fourth proportional to 107,447.80, 161,170.86 and 28,567.60 is: 42,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,447.80 : 161,170.86 = 28,567.60 : x
  2. Step 2: Convert to fraction form
    107,447.80/161,170.86 = 28,567.60/x
  3. Step 3: Cross multiply
    107,447.80x = 161,170.86 × 28,567.60
  4. Step 4: Simplify right side
    107,447.80x = 4,604,264,660.14
  5. Step 5: Solve for x
    x = 4,604,264,660.14/107,447.80
  6. Step 6: Final answer
    x = 42,851.18

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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.