Home / 77,495.37-116,218.27-30,107.13

Finding the Fourth Proportional to 77,495.37, 116,218.27 and 30,107.13

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Solution

The fourth proportional to 77,495.37, 116,218.27 and 30,107.13 is: 45,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,495.37 : 116,218.27 = 30,107.13 : x
  2. Step 2: Convert to fraction form
    77,495.37/116,218.27 = 30,107.13/x
  3. Step 3: Cross multiply
    77,495.37x = 116,218.27 × 30,107.13
  4. Step 4: Simplify right side
    77,495.37x = 3,498,998,563.27
  5. Step 5: Solve for x
    x = 3,498,998,563.27/77,495.37
  6. Step 6: Final answer
    x = 45,151.07

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1.5x scale

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.