Home / 51,228.84-76,693.80-31,447.42

Finding the Fourth Proportional to 51,228.84, 76,693.80 and 31,447.42

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Solution

The fourth proportional to 51,228.84, 76,693.80 and 31,447.42 is: 47,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,228.84 : 76,693.80 = 31,447.42 : x
  2. Step 2: Convert to fraction form
    51,228.84/76,693.80 = 31,447.42/x
  3. Step 3: Cross multiply
    51,228.84x = 76,693.80 × 31,447.42
  4. Step 4: Simplify right side
    51,228.84x = 2,411,822,140.00
  5. Step 5: Solve for x
    x = 2,411,822,140.00/51,228.84
  6. Step 6: Final answer
    x = 47,079.38

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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.