Home / 113,899.12-170,909.94-47,385.16

Finding the Fourth Proportional to 113,899.12, 170,909.94 and 47,385.16

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Solution

The fourth proportional to 113,899.12, 170,909.94 and 47,385.16 is: 71,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,899.12 : 170,909.94 = 47,385.16 : x
  2. Step 2: Convert to fraction form
    113,899.12/170,909.94 = 47,385.16/x
  3. Step 3: Cross multiply
    113,899.12x = 170,909.94 × 47,385.16
  4. Step 4: Simplify right side
    113,899.12x = 8,098,594,852.49
  5. Step 5: Solve for x
    x = 8,098,594,852.49/113,899.12
  6. Step 6: Final answer
    x = 71,103.23

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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.