Home / 51,420.69-76,917.74-48,271.41

Finding the Fourth Proportional to 51,420.69, 76,917.74 and 48,271.41

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Solution

The fourth proportional to 51,420.69, 76,917.74 and 48,271.41 is: 72,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,420.69 : 76,917.74 = 48,271.41 : x
  2. Step 2: Convert to fraction form
    51,420.69/76,917.74 = 48,271.41/x
  3. Step 3: Cross multiply
    51,420.69x = 76,917.74 × 48,271.41
  4. Step 4: Simplify right side
    51,420.69x = 3,712,927,522.46
  5. Step 5: Solve for x
    x = 3,712,927,522.46/51,420.69
  6. Step 6: Final answer
    x = 72,206.88

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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.