Home / 77,837.76-116,795.52-31,104

Finding the Fourth Proportional to 77,837.76, 116,795.52 and 31,104

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Solution

The fourth proportional to 77,837.76, 116,795.52 and 31,104 is: 46,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,837.76 : 116,795.52 = 31,104 : x
  2. Step 2: Convert to fraction form
    77,837.76/116,795.52 = 31,104/x
  3. Step 3: Cross multiply
    77,837.76x = 116,795.52 × 31,104
  4. Step 4: Simplify right side
    77,837.76x = 3,632,807,854.08
  5. Step 5: Solve for x
    x = 3,632,807,854.08/77,837.76
  6. Step 6: Final answer
    x = 46,671.54

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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.