Home / 88,610.43-122,213.28-56,782.29

Finding the Fourth Proportional to 88,610.43, 122,213.28 and 56,782.29

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Solution

The fourth proportional to 88,610.43, 122,213.28 and 56,782.29 is: 78,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,610.43 : 122,213.28 = 56,782.29 : x
  2. Step 2: Convert to fraction form
    88,610.43/122,213.28 = 56,782.29/x
  3. Step 3: Cross multiply
    88,610.43x = 122,213.28 × 56,782.29
  4. Step 4: Simplify right side
    88,610.43x = 6,939,550,578.04
  5. Step 5: Solve for x
    x = 6,939,550,578.04/88,610.43
  6. Step 6: Final answer
    x = 78,315.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.