Home / 72,637.08-108,966.42-25,879.02

Finding the Fourth Proportional to 72,637.08, 108,966.42 and 25,879.02

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Solution

The fourth proportional to 72,637.08, 108,966.42 and 25,879.02 is: 38,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,637.08 : 108,966.42 = 25,879.02 : x
  2. Step 2: Convert to fraction form
    72,637.08/108,966.42 = 25,879.02/x
  3. Step 3: Cross multiply
    72,637.08x = 108,966.42 × 25,879.02
  4. Step 4: Simplify right side
    72,637.08x = 2,819,944,162.51
  5. Step 5: Solve for x
    x = 2,819,944,162.51/72,637.08
  6. Step 6: Final answer
    x = 38,822.38

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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.