Home / 83,415.96-125,050.62-43,350.60

Finding the Fourth Proportional to 83,415.96, 125,050.62 and 43,350.60

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Solution

The fourth proportional to 83,415.96, 125,050.62 and 43,350.60 is: 64,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,415.96 : 125,050.62 = 43,350.60 : x
  2. Step 2: Convert to fraction form
    83,415.96/125,050.62 = 43,350.60/x
  3. Step 3: Cross multiply
    83,415.96x = 125,050.62 × 43,350.60
  4. Step 4: Simplify right side
    83,415.96x = 5,421,019,407.37
  5. Step 5: Solve for x
    x = 5,421,019,407.37/83,415.96
  6. Step 6: Final answer
    x = 64,987.80

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1.5x scale

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.