Home / 83,495.07-125,255.57-28,086.75

Finding the Fourth Proportional to 83,495.07, 125,255.57 and 28,086.75

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Solution

The fourth proportional to 83,495.07, 125,255.57 and 28,086.75 is: 42,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,495.07 : 125,255.57 = 28,086.75 : x
  2. Step 2: Convert to fraction form
    83,495.07/125,255.57 = 28,086.75/x
  3. Step 3: Cross multiply
    83,495.07x = 125,255.57 × 28,086.75
  4. Step 4: Simplify right side
    83,495.07x = 3,518,021,740.26
  5. Step 5: Solve for x
    x = 3,518,021,740.26/83,495.07
  6. Step 6: Final answer
    x = 42,134.48

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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.