Home / 92,964.18-128,286.42-52,675.60

Finding the Fourth Proportional to 92,964.18, 128,286.42 and 52,675.60

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Solution

The fourth proportional to 92,964.18, 128,286.42 and 52,675.60 is: 72,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,964.18 : 128,286.42 = 52,675.60 : x
  2. Step 2: Convert to fraction form
    92,964.18/128,286.42 = 52,675.60/x
  3. Step 3: Cross multiply
    92,964.18x = 128,286.42 × 52,675.60
  4. Step 4: Simplify right side
    92,964.18x = 6,757,564,145.35
  5. Step 5: Solve for x
    x = 6,757,564,145.35/92,964.18
  6. Step 6: Final answer
    x = 72,689.98

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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.