Home / 71,072.35-98,085.60-40,867.49

Finding the Fourth Proportional to 71,072.35, 98,085.60 and 40,867.49

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Solution

The fourth proportional to 71,072.35, 98,085.60 and 40,867.49 is: 56,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072.35 : 98,085.60 = 40,867.49 : x
  2. Step 2: Convert to fraction form
    71,072.35/98,085.60 = 40,867.49/x
  3. Step 3: Cross multiply
    71,072.35x = 98,085.60 × 40,867.49
  4. Step 4: Simplify right side
    71,072.35x = 4,008,512,277.14
  5. Step 5: Solve for x
    x = 4,008,512,277.14/71,072.35
  6. Step 6: Final answer
    x = 56,400.45

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1.5x scale

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.