Home / 51,428.70-77,148.72-16,360.16

Finding the Fourth Proportional to 51,428.70, 77,148.72 and 16,360.16

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Solution

The fourth proportional to 51,428.70, 77,148.72 and 16,360.16 is: 24,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428.70 : 77,148.72 = 16,360.16 : x
  2. Step 2: Convert to fraction form
    51,428.70/77,148.72 = 16,360.16/x
  3. Step 3: Cross multiply
    51,428.70x = 77,148.72 × 16,360.16
  4. Step 4: Simplify right side
    51,428.70x = 1,262,165,017.25
  5. Step 5: Solve for x
    x = 1,262,165,017.25/51,428.70
  6. Step 6: Final answer
    x = 24,542.04

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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.