Home / 77,483.90-116,180.68-30,043.57

Finding the Fourth Proportional to 77,483.90, 116,180.68 and 30,043.57

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Solution

The fourth proportional to 77,483.90, 116,180.68 and 30,043.57 is: 45,047.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,483.90 : 116,180.68 = 30,043.57 : x
  2. Step 2: Convert to fraction form
    77,483.90/116,180.68 = 30,043.57/x
  3. Step 3: Cross multiply
    77,483.90x = 116,180.68 × 30,043.57
  4. Step 4: Simplify right side
    77,483.90x = 3,490,481,811.32
  5. Step 5: Solve for x
    x = 3,490,481,811.32/77,483.90
  6. Step 6: Final answer
    x = 45,047.84

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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.