Home / 76,454.48-105,644.08-59,813.84

Finding the Fourth Proportional to 76,454.48, 105,644.08 and 59,813.84

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Solution

The fourth proportional to 76,454.48, 105,644.08 and 59,813.84 is: 82,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,454.48 : 105,644.08 = 59,813.84 : x
  2. Step 2: Convert to fraction form
    76,454.48/105,644.08 = 59,813.84/x
  3. Step 3: Cross multiply
    76,454.48x = 105,644.08 × 59,813.84
  4. Step 4: Simplify right side
    76,454.48x = 6,318,978,098.07
  5. Step 5: Solve for x
    x = 6,318,978,098.07/76,454.48
  6. Step 6: Final answer
    x = 82,650.20

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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.