Home / 77,085.99-106,379.45-43,096.36

Finding the Fourth Proportional to 77,085.99, 106,379.45 and 43,096.36

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Solution

The fourth proportional to 77,085.99, 106,379.45 and 43,096.36 is: 59,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,085.99 : 106,379.45 = 43,096.36 : x
  2. Step 2: Convert to fraction form
    77,085.99/106,379.45 = 43,096.36/x
  3. Step 3: Cross multiply
    77,085.99x = 106,379.45 × 43,096.36
  4. Step 4: Simplify right side
    77,085.99x = 4,584,567,073.80
  5. Step 5: Solve for x
    x = 4,584,567,073.80/77,085.99
  6. Step 6: Final answer
    x = 59,473.42

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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.