Home / 78,202.76-117,318.72-50,303.93

Finding the Fourth Proportional to 78,202.76, 117,318.72 and 50,303.93

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Solution

The fourth proportional to 78,202.76, 117,318.72 and 50,303.93 is: 75,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,202.76 : 117,318.72 = 50,303.93 : x
  2. Step 2: Convert to fraction form
    78,202.76/117,318.72 = 50,303.93/x
  3. Step 3: Cross multiply
    78,202.76x = 117,318.72 × 50,303.93
  4. Step 4: Simplify right side
    78,202.76x = 5,901,592,678.57
  5. Step 5: Solve for x
    x = 5,901,592,678.57/78,202.76
  6. Step 6: Final answer
    x = 75,465.27

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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.