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Finding the Fourth Proportional to 70,300.44, 97,013.88 and 40,090.68

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Solution

The fourth proportional to 70,300.44, 97,013.88 and 40,090.68 is: 55,324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,300.44 : 97,013.88 = 40,090.68 : x
  2. Step 2: Convert to fraction form
    70,300.44/97,013.88 = 40,090.68/x
  3. Step 3: Cross multiply
    70,300.44x = 97,013.88 × 40,090.68
  4. Step 4: Simplify right side
    70,300.44x = 3,889,352,418.64
  5. Step 5: Solve for x
    x = 3,889,352,418.64/70,300.44
  6. Step 6: Final answer
    x = 55,324.72

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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.