Home / 64,811.07-97,183.40-29,720.25

Finding the Fourth Proportional to 64,811.07, 97,183.40 and 29,720.25

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Solution

The fourth proportional to 64,811.07, 97,183.40 and 29,720.25 is: 44,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,811.07 : 97,183.40 = 29,720.25 : x
  2. Step 2: Convert to fraction form
    64,811.07/97,183.40 = 29,720.25/x
  3. Step 3: Cross multiply
    64,811.07x = 97,183.40 × 29,720.25
  4. Step 4: Simplify right side
    64,811.07x = 2,888,314,795.25
  5. Step 5: Solve for x
    x = 2,888,314,795.25/64,811.07
  6. Step 6: Final answer
    x = 44,565.15

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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.