Home / 76,423.38-114,657.84-36,472.35

Finding the Fourth Proportional to 76,423.38, 114,657.84 and 36,472.35

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Solution

The fourth proportional to 76,423.38, 114,657.84 and 36,472.35 is: 54,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,423.38 : 114,657.84 = 36,472.35 : x
  2. Step 2: Convert to fraction form
    76,423.38/114,657.84 = 36,472.35/x
  3. Step 3: Cross multiply
    76,423.38x = 114,657.84 × 36,472.35
  4. Step 4: Simplify right side
    76,423.38x = 4,181,840,870.72
  5. Step 5: Solve for x
    x = 4,181,840,870.72/76,423.38
  6. Step 6: Final answer
    x = 54,719.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.