Home / 64,900.56-97,327.08-31,610.64

Finding the Fourth Proportional to 64,900.56, 97,327.08 and 31,610.64

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Solution

The fourth proportional to 64,900.56, 97,327.08 and 31,610.64 is: 47,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,900.56 : 97,327.08 = 31,610.64 : x
  2. Step 2: Convert to fraction form
    64,900.56/97,327.08 = 31,610.64/x
  3. Step 3: Cross multiply
    64,900.56x = 97,327.08 × 31,610.64
  4. Step 4: Simplify right side
    64,900.56x = 3,076,571,288.13
  5. Step 5: Solve for x
    x = 3,076,571,288.13/64,900.56
  6. Step 6: Final answer
    x = 47,404.39

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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.