Home / 88,880.32-122,656.77-53,063.64

Finding the Fourth Proportional to 88,880.32, 122,656.77 and 53,063.64

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Solution

The fourth proportional to 88,880.32, 122,656.77 and 53,063.64 is: 73,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,880.32 : 122,656.77 = 53,063.64 : x
  2. Step 2: Convert to fraction form
    88,880.32/122,656.77 = 53,063.64/x
  3. Step 3: Cross multiply
    88,880.32x = 122,656.77 × 53,063.64
  4. Step 4: Simplify right side
    88,880.32x = 6,508,614,686.84
  5. Step 5: Solve for x
    x = 6,508,614,686.84/88,880.32
  6. Step 6: Final answer
    x = 73,228.97

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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.