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Finding the Fourth Proportional to 93,222.78, 128,648.31 and 52,937.37

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Solution

The fourth proportional to 93,222.78, 128,648.31 and 52,937.37 is: 73,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,222.78 : 128,648.31 = 52,937.37 : x
  2. Step 2: Convert to fraction form
    93,222.78/128,648.31 = 52,937.37/x
  3. Step 3: Cross multiply
    93,222.78x = 128,648.31 × 52,937.37
  4. Step 4: Simplify right side
    93,222.78x = 6,810,303,186.34
  5. Step 5: Solve for x
    x = 6,810,303,186.34/93,222.78
  6. Step 6: Final answer
    x = 73,054.07

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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.