Home / 75,477.68-104,157.01-43,211.22

Finding the Fourth Proportional to 75,477.68, 104,157.01 and 43,211.22

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Solution

The fourth proportional to 75,477.68, 104,157.01 and 43,211.22 is: 59,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,477.68 : 104,157.01 = 43,211.22 : x
  2. Step 2: Convert to fraction form
    75,477.68/104,157.01 = 43,211.22/x
  3. Step 3: Cross multiply
    75,477.68x = 104,157.01 × 43,211.22
  4. Step 4: Simplify right side
    75,477.68x = 4,500,751,473.65
  5. Step 5: Solve for x
    x = 4,500,751,473.65/75,477.68
  6. Step 6: Final answer
    x = 59,630.23

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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.