Home / 97,784.52-134,942.64-53,072.52

Finding the Fourth Proportional to 97,784.52, 134,942.64 and 53,072.52

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Solution

The fourth proportional to 97,784.52, 134,942.64 and 53,072.52 is: 73,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,784.52 : 134,942.64 = 53,072.52 : x
  2. Step 2: Convert to fraction form
    97,784.52/134,942.64 = 53,072.52/x
  3. Step 3: Cross multiply
    97,784.52x = 134,942.64 × 53,072.52
  4. Step 4: Simplify right side
    97,784.52x = 7,161,745,960.25
  5. Step 5: Solve for x
    x = 7,161,745,960.25/97,784.52
  6. Step 6: Final answer
    x = 73,240.08

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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.