Home / 72,669.01-100,260.09-43,979.50

Finding the Fourth Proportional to 72,669.01, 100,260.09 and 43,979.50

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Solution

The fourth proportional to 72,669.01, 100,260.09 and 43,979.50 is: 60,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,669.01 : 100,260.09 = 43,979.50 : x
  2. Step 2: Convert to fraction form
    72,669.01/100,260.09 = 43,979.50/x
  3. Step 3: Cross multiply
    72,669.01x = 100,260.09 × 43,979.50
  4. Step 4: Simplify right side
    72,669.01x = 4,409,388,628.16
  5. Step 5: Solve for x
    x = 4,409,388,628.16/72,669.01
  6. Step 6: Final answer
    x = 60,677.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.