Home / 77,245.44-106,577.28-43,710.72

Finding the Fourth Proportional to 77,245.44, 106,577.28 and 43,710.72

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Solution

The fourth proportional to 77,245.44, 106,577.28 and 43,710.72 is: 60,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,245.44 : 106,577.28 = 43,710.72 : x
  2. Step 2: Convert to fraction form
    77,245.44/106,577.28 = 43,710.72/x
  3. Step 3: Cross multiply
    77,245.44x = 106,577.28 × 43,710.72
  4. Step 4: Simplify right side
    77,245.44x = 4,658,569,644.44
  5. Step 5: Solve for x
    x = 4,658,569,644.44/77,245.44
  6. Step 6: Final answer
    x = 60,308.67

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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.