Home / 97,886.75-135,066.83-57,608.96

Finding the Fourth Proportional to 97,886.75, 135,066.83 and 57,608.96

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Solution

The fourth proportional to 97,886.75, 135,066.83 and 57,608.96 is: 79,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,886.75 : 135,066.83 = 57,608.96 : x
  2. Step 2: Convert to fraction form
    97,886.75/135,066.83 = 57,608.96/x
  3. Step 3: Cross multiply
    97,886.75x = 135,066.83 × 57,608.96
  4. Step 4: Simplify right side
    97,886.75x = 7,781,058,643.42
  5. Step 5: Solve for x
    x = 7,781,058,643.42/97,886.75
  6. Step 6: Final answer
    x = 79,490.42

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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.