Home / 93,143.64-139,736.06-33,979.11

Finding the Fourth Proportional to 93,143.64, 139,736.06 and 33,979.11

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Solution

The fourth proportional to 93,143.64, 139,736.06 and 33,979.11 is: 50,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,143.64 : 139,736.06 = 33,979.11 : x
  2. Step 2: Convert to fraction form
    93,143.64/139,736.06 = 33,979.11/x
  3. Step 3: Cross multiply
    93,143.64x = 139,736.06 × 33,979.11
  4. Step 4: Simplify right side
    93,143.64x = 4,748,106,783.81
  5. Step 5: Solve for x
    x = 4,748,106,783.81/93,143.64
  6. Step 6: Final answer
    x = 50,976.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.