Home / 86,289.73-119,051.28-50,454.36

Finding the Fourth Proportional to 86,289.73, 119,051.28 and 50,454.36

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Solution

The fourth proportional to 86,289.73, 119,051.28 and 50,454.36 is: 69,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,289.73 : 119,051.28 = 50,454.36 : x
  2. Step 2: Convert to fraction form
    86,289.73/119,051.28 = 50,454.36/x
  3. Step 3: Cross multiply
    86,289.73x = 119,051.28 × 50,454.36
  4. Step 4: Simplify right side
    86,289.73x = 6,006,656,139.58
  5. Step 5: Solve for x
    x = 6,006,656,139.58/86,289.73
  6. Step 6: Final answer
    x = 69,610.32

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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.