Home / 88,619.76-122,259.24-56,807.28

Finding the Fourth Proportional to 88,619.76, 122,259.24 and 56,807.28

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Solution

The fourth proportional to 88,619.76, 122,259.24 and 56,807.28 is: 78,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,619.76 : 122,259.24 = 56,807.28 : x
  2. Step 2: Convert to fraction form
    88,619.76/122,259.24 = 56,807.28/x
  3. Step 3: Cross multiply
    88,619.76x = 122,259.24 × 56,807.28
  4. Step 4: Simplify right side
    88,619.76x = 6,945,214,879.27
  5. Step 5: Solve for x
    x = 6,945,214,879.27/88,619.76
  6. Step 6: Final answer
    x = 78,370.95

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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.