Home / 72,316.21-108,287.40-49,896.02

Finding the Fourth Proportional to 72,316.21, 108,287.40 and 49,896.02

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Solution

The fourth proportional to 72,316.21, 108,287.40 and 49,896.02 is: 74,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,316.21 : 108,287.40 = 49,896.02 : x
  2. Step 2: Convert to fraction form
    72,316.21/108,287.40 = 49,896.02/x
  3. Step 3: Cross multiply
    72,316.21x = 108,287.40 × 49,896.02
  4. Step 4: Simplify right side
    72,316.21x = 5,403,110,276.15
  5. Step 5: Solve for x
    x = 5,403,110,276.15/72,316.21
  6. Step 6: Final answer
    x = 74,715.06

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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.