Home / 64,022.86-96,083.30-28,987.12

Finding the Fourth Proportional to 64,022.86, 96,083.30 and 28,987.12

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Solution

The fourth proportional to 64,022.86, 96,083.30 and 28,987.12 is: 43,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,022.86 : 96,083.30 = 28,987.12 : x
  2. Step 2: Convert to fraction form
    64,022.86/96,083.30 = 28,987.12/x
  3. Step 3: Cross multiply
    64,022.86x = 96,083.30 × 28,987.12
  4. Step 4: Simplify right side
    64,022.86x = 2,785,178,147.10
  5. Step 5: Solve for x
    x = 2,785,178,147.10/64,022.86
  6. Step 6: Final answer
    x = 43,502.87

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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.