Home / 72,559.05-100,152.36-43,878.75

Finding the Fourth Proportional to 72,559.05, 100,152.36 and 43,878.75

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Solution

The fourth proportional to 72,559.05, 100,152.36 and 43,878.75 is: 60,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,559.05 : 100,152.36 = 43,878.75 : x
  2. Step 2: Convert to fraction form
    72,559.05/100,152.36 = 43,878.75/x
  3. Step 3: Cross multiply
    72,559.05x = 100,152.36 × 43,878.75
  4. Step 4: Simplify right side
    72,559.05x = 4,394,560,366.35
  5. Step 5: Solve for x
    x = 4,394,560,366.35/72,559.05
  6. Step 6: Final answer
    x = 60,565.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.