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Finding the Fourth Proportional to 97,576.68, 134,654.06 and 55,134.30

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Solution

The fourth proportional to 97,576.68, 134,654.06 and 55,134.30 is: 76,084.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,576.68 : 134,654.06 = 55,134.30 : x
  2. Step 2: Convert to fraction form
    97,576.68/134,654.06 = 55,134.30/x
  3. Step 3: Cross multiply
    97,576.68x = 134,654.06 × 55,134.30
  4. Step 4: Simplify right side
    97,576.68x = 7,424,057,340.26
  5. Step 5: Solve for x
    x = 7,424,057,340.26/97,576.68
  6. Step 6: Final answer
    x = 76,084.34

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1.5x scale

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.