Home / 69,070.40-95,313.48-40,765.76

Finding the Fourth Proportional to 69,070.40, 95,313.48 and 40,765.76

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Solution

The fourth proportional to 69,070.40, 95,313.48 and 40,765.76 is: 56,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,070.40 : 95,313.48 = 40,765.76 : x
  2. Step 2: Convert to fraction form
    69,070.40/95,313.48 = 40,765.76/x
  3. Step 3: Cross multiply
    69,070.40x = 95,313.48 × 40,765.76
  4. Step 4: Simplify right side
    69,070.40x = 3,885,526,450.44
  5. Step 5: Solve for x
    x = 3,885,526,450.44/69,070.40
  6. Step 6: Final answer
    x = 56,254.58

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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.