Home / 93,463.12-128,979.30-51,022.36

Finding the Fourth Proportional to 93,463.12, 128,979.30 and 51,022.36

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Solution

The fourth proportional to 93,463.12, 128,979.30 and 51,022.36 is: 70,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,463.12 : 128,979.30 = 51,022.36 : x
  2. Step 2: Convert to fraction form
    93,463.12/128,979.30 = 51,022.36/x
  3. Step 3: Cross multiply
    93,463.12x = 128,979.30 × 51,022.36
  4. Step 4: Simplify right side
    93,463.12x = 6,580,828,277.15
  5. Step 5: Solve for x
    x = 6,580,828,277.15/93,463.12
  6. Step 6: Final answer
    x = 70,410.96

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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.