Home / 72,305.23-108,316.60-49,811.93

Finding the Fourth Proportional to 72,305.23, 108,316.60 and 49,811.93

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Solution

The fourth proportional to 72,305.23, 108,316.60 and 49,811.93 is: 74,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,305.23 : 108,316.60 = 49,811.93 : x
  2. Step 2: Convert to fraction form
    72,305.23/108,316.60 = 49,811.93/x
  3. Step 3: Cross multiply
    72,305.23x = 108,316.60 × 49,811.93
  4. Step 4: Simplify right side
    72,305.23x = 5,395,459,246.39
  5. Step 5: Solve for x
    x = 5,395,459,246.39/72,305.23
  6. Step 6: Final answer
    x = 74,620.60

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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.