Home / 97,858.23-135,042.06-57,574.59

Finding the Fourth Proportional to 97,858.23, 135,042.06 and 57,574.59

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Solution

The fourth proportional to 97,858.23, 135,042.06 and 57,574.59 is: 79,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,858.23 : 135,042.06 = 57,574.59 : x
  2. Step 2: Convert to fraction form
    97,858.23/135,042.06 = 57,574.59/x
  3. Step 3: Cross multiply
    97,858.23x = 135,042.06 × 57,574.59
  4. Step 4: Simplify right side
    97,858.23x = 7,774,991,237.26
  5. Step 5: Solve for x
    x = 7,774,991,237.26/97,858.23
  6. Step 6: Final answer
    x = 79,451.58

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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.