Home / 79,248.04-118,879.40-28,659.71

Finding the Fourth Proportional to 79,248.04, 118,879.40 and 28,659.71

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Solution

The fourth proportional to 79,248.04, 118,879.40 and 28,659.71 is: 42,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,248.04 : 118,879.40 = 28,659.71 : x
  2. Step 2: Convert to fraction form
    79,248.04/118,879.40 = 28,659.71/x
  3. Step 3: Cross multiply
    79,248.04x = 118,879.40 × 28,659.71
  4. Step 4: Simplify right side
    79,248.04x = 3,407,049,497.82
  5. Step 5: Solve for x
    x = 3,407,049,497.82/79,248.04
  6. Step 6: Final answer
    x = 42,992.23

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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.