Home / 64,770.58-97,090.23-31,462.57

Finding the Fourth Proportional to 64,770.58, 97,090.23 and 31,462.57

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Solution

The fourth proportional to 64,770.58, 97,090.23 and 31,462.57 is: 47,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,770.58 : 97,090.23 = 31,462.57 : x
  2. Step 2: Convert to fraction form
    64,770.58/97,090.23 = 31,462.57/x
  3. Step 3: Cross multiply
    64,770.58x = 97,090.23 × 31,462.57
  4. Step 4: Simplify right side
    64,770.58x = 3,054,708,157.69
  5. Step 5: Solve for x
    x = 3,054,708,157.69/64,770.58
  6. Step 6: Final answer
    x = 47,161.97

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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.