Home / 77,747.88-107,343.72-59,811.24

Finding the Fourth Proportional to 77,747.88, 107,343.72 and 59,811.24

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Solution

The fourth proportional to 77,747.88, 107,343.72 and 59,811.24 is: 82,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,747.88 : 107,343.72 = 59,811.24 : x
  2. Step 2: Convert to fraction form
    77,747.88/107,343.72 = 59,811.24/x
  3. Step 3: Cross multiply
    77,747.88x = 107,343.72 × 59,811.24
  4. Step 4: Simplify right side
    77,747.88x = 6,420,360,999.41
  5. Step 5: Solve for x
    x = 6,420,360,999.41/77,747.88
  6. Step 6: Final answer
    x = 82,579.24

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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.