Home / 97,857.24-135,030.37-57,556.30

Finding the Fourth Proportional to 97,857.24, 135,030.37 and 57,556.30

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Solution

The fourth proportional to 97,857.24, 135,030.37 and 57,556.30 is: 79,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,857.24 : 135,030.37 = 57,556.30 : x
  2. Step 2: Convert to fraction form
    97,857.24/135,030.37 = 57,556.30/x
  3. Step 3: Cross multiply
    97,857.24x = 135,030.37 × 57,556.30
  4. Step 4: Simplify right side
    97,857.24x = 7,771,848,484.83
  5. Step 5: Solve for x
    x = 7,771,848,484.83/97,857.24
  6. Step 6: Final answer
    x = 79,420.27

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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.