Home / 77,811.45-116,746.58-30,460.38

Finding the Fourth Proportional to 77,811.45, 116,746.58 and 30,460.38

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Solution

The fourth proportional to 77,811.45, 116,746.58 and 30,460.38 is: 45,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,811.45 : 116,746.58 = 30,460.38 : x
  2. Step 2: Convert to fraction form
    77,811.45/116,746.58 = 30,460.38/x
  3. Step 3: Cross multiply
    77,811.45x = 116,746.58 × 30,460.38
  4. Step 4: Simplify right side
    77,811.45x = 3,556,145,190.50
  5. Step 5: Solve for x
    x = 3,556,145,190.50/77,811.45
  6. Step 6: Final answer
    x = 45,702.08

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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.