Home / 85,645.03-118,204.14-58,765.36

Finding the Fourth Proportional to 85,645.03, 118,204.14 and 58,765.36

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Solution

The fourth proportional to 85,645.03, 118,204.14 and 58,765.36 is: 81,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,645.03 : 118,204.14 = 58,765.36 : x
  2. Step 2: Convert to fraction form
    85,645.03/118,204.14 = 58,765.36/x
  3. Step 3: Cross multiply
    85,645.03x = 118,204.14 × 58,765.36
  4. Step 4: Simplify right side
    85,645.03x = 6,946,308,840.59
  5. Step 5: Solve for x
    x = 6,946,308,840.59/85,645.03
  6. Step 6: Final answer
    x = 81,105.80

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1.5x scale

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.