Home / 85,835.57-118,450.96-47,595.26

Finding the Fourth Proportional to 85,835.57, 118,450.96 and 47,595.26

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Solution

The fourth proportional to 85,835.57, 118,450.96 and 47,595.26 is: 65,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,835.57 : 118,450.96 = 47,595.26 : x
  2. Step 2: Convert to fraction form
    85,835.57/118,450.96 = 47,595.26/x
  3. Step 3: Cross multiply
    85,835.57x = 118,450.96 × 47,595.26
  4. Step 4: Simplify right side
    85,835.57x = 5,637,704,415.59
  5. Step 5: Solve for x
    x = 5,637,704,415.59/85,835.57
  6. Step 6: Final answer
    x = 65,680.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.