Home / 97,881.42-135,072.75-53,168.46

Finding the Fourth Proportional to 97,881.42, 135,072.75 and 53,168.46

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Solution

The fourth proportional to 97,881.42, 135,072.75 and 53,168.46 is: 73,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,881.42 : 135,072.75 = 53,168.46 : x
  2. Step 2: Convert to fraction form
    97,881.42/135,072.75 = 53,168.46/x
  3. Step 3: Cross multiply
    97,881.42x = 135,072.75 × 53,168.46
  4. Step 4: Simplify right side
    97,881.42x = 7,181,610,105.47
  5. Step 5: Solve for x
    x = 7,181,610,105.47/97,881.42
  6. Step 6: Final answer
    x = 73,370.51

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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.