Home / 70,680.78-97,534.80-40,466.34

Finding the Fourth Proportional to 70,680.78, 97,534.80 and 40,466.34

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Solution

The fourth proportional to 70,680.78, 97,534.80 and 40,466.34 is: 55,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.78 : 97,534.80 = 40,466.34 : x
  2. Step 2: Convert to fraction form
    70,680.78/97,534.80 = 40,466.34/x
  3. Step 3: Cross multiply
    70,680.78x = 97,534.80 × 40,466.34
  4. Step 4: Simplify right side
    70,680.78x = 3,946,876,378.63
  5. Step 5: Solve for x
    x = 3,946,876,378.63/70,680.78
  6. Step 6: Final answer
    x = 55,840.87

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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.