Home / 93,410.23-128,908.96-53,129.79

Finding the Fourth Proportional to 93,410.23, 128,908.96 and 53,129.79

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Solution

The fourth proportional to 93,410.23, 128,908.96 and 53,129.79 is: 73,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,410.23 : 128,908.96 = 53,129.79 : x
  2. Step 2: Convert to fraction form
    93,410.23/128,908.96 = 53,129.79/x
  3. Step 3: Cross multiply
    93,410.23x = 128,908.96 × 53,129.79
  4. Step 4: Simplify right side
    93,410.23x = 6,848,905,841.09
  5. Step 5: Solve for x
    x = 6,848,905,841.09/93,410.23
  6. Step 6: Final answer
    x = 73,320.73

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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.