Home / 77,662.95-107,113.23-50,409.24

Finding the Fourth Proportional to 77,662.95, 107,113.23 and 50,409.24

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Solution

The fourth proportional to 77,662.95, 107,113.23 and 50,409.24 is: 69,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,662.95 : 107,113.23 = 50,409.24 : x
  2. Step 2: Convert to fraction form
    77,662.95/107,113.23 = 50,409.24/x
  3. Step 3: Cross multiply
    77,662.95x = 107,113.23 × 50,409.24
  4. Step 4: Simplify right side
    77,662.95x = 5,399,496,518.25
  5. Step 5: Solve for x
    x = 5,399,496,518.25/77,662.95
  6. Step 6: Final answer
    x = 69,524.74

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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.