Home / 77,440.90-116,203.65-30,057.85

Finding the Fourth Proportional to 77,440.90, 116,203.65 and 30,057.85

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Solution

The fourth proportional to 77,440.90, 116,203.65 and 30,057.85 is: 45,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,440.90 : 116,203.65 = 30,057.85 : x
  2. Step 2: Convert to fraction form
    77,440.90/116,203.65 = 30,057.85/x
  3. Step 3: Cross multiply
    77,440.90x = 116,203.65 × 30,057.85
  4. Step 4: Simplify right side
    77,440.90x = 3,492,831,881.15
  5. Step 5: Solve for x
    x = 3,492,831,881.15/77,440.90
  6. Step 6: Final answer
    x = 45,103.19

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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.