Home / 76,429.70-114,644.55-48,436.10

Finding the Fourth Proportional to 76,429.70, 114,644.55 and 48,436.10

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Solution

The fourth proportional to 76,429.70, 114,644.55 and 48,436.10 is: 72,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,429.70 : 114,644.55 = 48,436.10 : x
  2. Step 2: Convert to fraction form
    76,429.70/114,644.55 = 48,436.10/x
  3. Step 3: Cross multiply
    76,429.70x = 114,644.55 × 48,436.10
  4. Step 4: Simplify right side
    76,429.70x = 5,552,934,888.26
  5. Step 5: Solve for x
    x = 5,552,934,888.26/76,429.70
  6. Step 6: Final answer
    x = 72,654.15

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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.