Home / 77,707.28-116,450.52-35,483.60

Finding the Fourth Proportional to 77,707.28, 116,450.52 and 35,483.60

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Solution

The fourth proportional to 77,707.28, 116,450.52 and 35,483.60 is: 53,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,707.28 : 116,450.52 = 35,483.60 : x
  2. Step 2: Convert to fraction form
    77,707.28/116,450.52 = 35,483.60/x
  3. Step 3: Cross multiply
    77,707.28x = 116,450.52 × 35,483.60
  4. Step 4: Simplify right side
    77,707.28x = 4,132,083,671.47
  5. Step 5: Solve for x
    x = 4,132,083,671.47/77,707.28
  6. Step 6: Final answer
    x = 53,174.99

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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.