Home / 47,135.98-70,755.20-19,075.35

Finding the Fourth Proportional to 47,135.98, 70,755.20 and 19,075.35

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Solution

The fourth proportional to 47,135.98, 70,755.20 and 19,075.35 is: 28,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.98 : 70,755.20 = 19,075.35 : x
  2. Step 2: Convert to fraction form
    47,135.98/70,755.20 = 19,075.35/x
  3. Step 3: Cross multiply
    47,135.98x = 70,755.20 × 19,075.35
  4. Step 4: Simplify right side
    47,135.98x = 1,349,680,204.32
  5. Step 5: Solve for x
    x = 1,349,680,204.32/47,135.98
  6. Step 6: Final answer
    x = 28,633.76

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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.