Home / 77,777.15-107,325.58-43,319.25

Finding the Fourth Proportional to 77,777.15, 107,325.58 and 43,319.25

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Solution

The fourth proportional to 77,777.15, 107,325.58 and 43,319.25 is: 59,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,777.15 : 107,325.58 = 43,319.25 : x
  2. Step 2: Convert to fraction form
    77,777.15/107,325.58 = 43,319.25/x
  3. Step 3: Cross multiply
    77,777.15x = 107,325.58 × 43,319.25
  4. Step 4: Simplify right side
    77,777.15x = 4,649,263,523.12
  5. Step 5: Solve for x
    x = 4,649,263,523.12/77,777.15
  6. Step 6: Final answer
    x = 59,776.73

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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.