Home / 79,249.73-118,875.06-20,085.57

Finding the Fourth Proportional to 79,249.73, 118,875.06 and 20,085.57

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Solution

The fourth proportional to 79,249.73, 118,875.06 and 20,085.57 is: 30,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,249.73 : 118,875.06 = 20,085.57 : x
  2. Step 2: Convert to fraction form
    79,249.73/118,875.06 = 20,085.57/x
  3. Step 3: Cross multiply
    79,249.73x = 118,875.06 × 20,085.57
  4. Step 4: Simplify right side
    79,249.73x = 2,387,673,686.29
  5. Step 5: Solve for x
    x = 2,387,673,686.29/79,249.73
  6. Step 6: Final answer
    x = 30,128.48

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1.5x scale

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.