Home / 77,157.42-106,453.53-50,290.08

Finding the Fourth Proportional to 77,157.42, 106,453.53 and 50,290.08

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Solution

The fourth proportional to 77,157.42, 106,453.53 and 50,290.08 is: 69,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,157.42 : 106,453.53 = 50,290.08 : x
  2. Step 2: Convert to fraction form
    77,157.42/106,453.53 = 50,290.08/x
  3. Step 3: Cross multiply
    77,157.42x = 106,453.53 × 50,290.08
  4. Step 4: Simplify right side
    77,157.42x = 5,353,556,539.98
  5. Step 5: Solve for x
    x = 5,353,556,539.98/77,157.42
  6. Step 6: Final answer
    x = 69,384.86

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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.