Home / 77,049.36-106,328.73-43,515.36

Finding the Fourth Proportional to 77,049.36, 106,328.73 and 43,515.36

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Solution

The fourth proportional to 77,049.36, 106,328.73 and 43,515.36 is: 60,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,049.36 : 106,328.73 = 43,515.36 : x
  2. Step 2: Convert to fraction form
    77,049.36/106,328.73 = 43,515.36/x
  3. Step 3: Cross multiply
    77,049.36x = 106,328.73 × 43,515.36
  4. Step 4: Simplify right side
    77,049.36x = 4,626,932,964.29
  5. Step 5: Solve for x
    x = 4,626,932,964.29/77,049.36
  6. Step 6: Final answer
    x = 60,051.54

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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.