Home / 97,815.04-134,985.84-55,372.64

Finding the Fourth Proportional to 97,815.04, 134,985.84 and 55,372.64

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Solution

The fourth proportional to 97,815.04, 134,985.84 and 55,372.64 is: 76,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,815.04 : 134,985.84 = 55,372.64 : x
  2. Step 2: Convert to fraction form
    97,815.04/134,985.84 = 55,372.64/x
  3. Step 3: Cross multiply
    97,815.04x = 134,985.84 × 55,372.64
  4. Step 4: Simplify right side
    97,815.04x = 7,474,522,323.42
  5. Step 5: Solve for x
    x = 7,474,522,323.42/97,815.04
  6. Step 6: Final answer
    x = 76,414.86

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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.