Home / 77,400.38-116,106.03-30,653.25

Finding the Fourth Proportional to 77,400.38, 116,106.03 and 30,653.25

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Solution

The fourth proportional to 77,400.38, 116,106.03 and 30,653.25 is: 45,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,400.38 : 116,106.03 = 30,653.25 : x
  2. Step 2: Convert to fraction form
    77,400.38/116,106.03 = 30,653.25/x
  3. Step 3: Cross multiply
    77,400.38x = 116,106.03 × 30,653.25
  4. Step 4: Simplify right side
    77,400.38x = 3,559,027,164.10
  5. Step 5: Solve for x
    x = 3,559,027,164.10/77,400.38
  6. Step 6: Final answer
    x = 45,982.04

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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.