Home / 76,464.78-114,661.53-29,088.69

Finding the Fourth Proportional to 76,464.78, 114,661.53 and 29,088.69

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Solution

The fourth proportional to 76,464.78, 114,661.53 and 29,088.69 is: 43,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,464.78 : 114,661.53 = 29,088.69 : x
  2. Step 2: Convert to fraction form
    76,464.78/114,661.53 = 29,088.69/x
  3. Step 3: Cross multiply
    76,464.78x = 114,661.53 × 29,088.69
  4. Step 4: Simplify right side
    76,464.78x = 3,335,353,701.10
  5. Step 5: Solve for x
    x = 3,335,353,701.10/76,464.78
  6. Step 6: Final answer
    x = 43,619.48

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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.