Home / 93,180.04-128,585.64-51,786.92

Finding the Fourth Proportional to 93,180.04, 128,585.64 and 51,786.92

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Solution

The fourth proportional to 93,180.04, 128,585.64 and 51,786.92 is: 71,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,180.04 : 128,585.64 = 51,786.92 : x
  2. Step 2: Convert to fraction form
    93,180.04/128,585.64 = 51,786.92/x
  3. Step 3: Cross multiply
    93,180.04x = 128,585.64 × 51,786.92
  4. Step 4: Simplify right side
    93,180.04x = 6,659,054,251.83
  5. Step 5: Solve for x
    x = 6,659,054,251.83/93,180.04
  6. Step 6: Final answer
    x = 71,464.38

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1.5x scale

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.