Home / 88,176.77-121,684.83-47,891.32

Finding the Fourth Proportional to 88,176.77, 121,684.83 and 47,891.32

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Solution

The fourth proportional to 88,176.77, 121,684.83 and 47,891.32 is: 66,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,176.77 : 121,684.83 = 47,891.32 : x
  2. Step 2: Convert to fraction form
    88,176.77/121,684.83 = 47,891.32/x
  3. Step 3: Cross multiply
    88,176.77x = 121,684.83 × 47,891.32
  4. Step 4: Simplify right side
    88,176.77x = 5,827,646,893.22
  5. Step 5: Solve for x
    x = 5,827,646,893.22/88,176.77
  6. Step 6: Final answer
    x = 66,090.50

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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.