Home / 77,577.44-116,227.02-47,127.20

Finding the Fourth Proportional to 77,577.44, 116,227.02 and 47,127.20

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Solution

The fourth proportional to 77,577.44, 116,227.02 and 47,127.20 is: 70,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,577.44 : 116,227.02 = 47,127.20 : x
  2. Step 2: Convert to fraction form
    77,577.44/116,227.02 = 47,127.20/x
  3. Step 3: Cross multiply
    77,577.44x = 116,227.02 × 47,127.20
  4. Step 4: Simplify right side
    77,577.44x = 5,477,454,016.94
  5. Step 5: Solve for x
    x = 5,477,454,016.94/77,577.44
  6. Step 6: Final answer
    x = 70,606.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.