Home / 72,690.48-108,807.24-50,068.36

Finding the Fourth Proportional to 72,690.48, 108,807.24 and 50,068.36

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Solution

The fourth proportional to 72,690.48, 108,807.24 and 50,068.36 is: 74,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,690.48 : 108,807.24 = 50,068.36 : x
  2. Step 2: Convert to fraction form
    72,690.48/108,807.24 = 50,068.36/x
  3. Step 3: Cross multiply
    72,690.48x = 108,807.24 × 50,068.36
  4. Step 4: Simplify right side
    72,690.48x = 5,447,800,062.93
  5. Step 5: Solve for x
    x = 5,447,800,062.93/72,690.48
  6. Step 6: Final answer
    x = 74,945.17

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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.