Home / 70,518.10-97,308.78-40,297.42

Finding the Fourth Proportional to 70,518.10, 97,308.78 and 40,297.42

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Solution

The fourth proportional to 70,518.10, 97,308.78 and 40,297.42 is: 55,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,518.10 : 97,308.78 = 40,297.42 : x
  2. Step 2: Convert to fraction form
    70,518.10/97,308.78 = 40,297.42/x
  3. Step 3: Cross multiply
    70,518.10x = 97,308.78 × 40,297.42
  4. Step 4: Simplify right side
    70,518.10x = 3,921,292,777.35
  5. Step 5: Solve for x
    x = 3,921,292,777.35/70,518.10
  6. Step 6: Final answer
    x = 55,606.90

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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.