Home / 93,268.77-128,707.16-50,826.39

Finding the Fourth Proportional to 93,268.77, 128,707.16 and 50,826.39

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Solution

The fourth proportional to 93,268.77, 128,707.16 and 50,826.39 is: 70,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,268.77 : 128,707.16 = 50,826.39 : x
  2. Step 2: Convert to fraction form
    93,268.77/128,707.16 = 50,826.39/x
  3. Step 3: Cross multiply
    93,268.77x = 128,707.16 × 50,826.39
  4. Step 4: Simplify right side
    93,268.77x = 6,541,720,055.82
  5. Step 5: Solve for x
    x = 6,541,720,055.82/93,268.77
  6. Step 6: Final answer
    x = 70,138.38

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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.