Home / 51,702.80-77,567.70-16,643.30

Finding the Fourth Proportional to 51,702.80, 77,567.70 and 16,643.30

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Solution

The fourth proportional to 51,702.80, 77,567.70 and 16,643.30 is: 24,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,702.80 : 77,567.70 = 16,643.30 : x
  2. Step 2: Convert to fraction form
    51,702.80/77,567.70 = 16,643.30/x
  3. Step 3: Cross multiply
    51,702.80x = 77,567.70 × 16,643.30
  4. Step 4: Simplify right side
    51,702.80x = 1,290,982,501.41
  5. Step 5: Solve for x
    x = 1,290,982,501.41/51,702.80
  6. Step 6: Final answer
    x = 24,969.30

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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.