Home / 97,827.65-135,002.66-55,394.45

Finding the Fourth Proportional to 97,827.65, 135,002.66 and 55,394.45

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Solution

The fourth proportional to 97,827.65, 135,002.66 and 55,394.45 is: 76,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,827.65 : 135,002.66 = 55,394.45 : x
  2. Step 2: Convert to fraction form
    97,827.65/135,002.66 = 55,394.45/x
  3. Step 3: Cross multiply
    97,827.65x = 135,002.66 × 55,394.45
  4. Step 4: Simplify right side
    97,827.65x = 7,478,397,147.25
  5. Step 5: Solve for x
    x = 7,478,397,147.25/97,827.65
  6. Step 6: Final answer
    x = 76,444.62

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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.