Home / 85,644.03-118,202.76-58,764.36

Finding the Fourth Proportional to 85,644.03, 118,202.76 and 58,764.36

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Solution

The fourth proportional to 85,644.03, 118,202.76 and 58,764.36 is: 81,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,644.03 : 118,202.76 = 58,764.36 : x
  2. Step 2: Convert to fraction form
    85,644.03/118,202.76 = 58,764.36/x
  3. Step 3: Cross multiply
    85,644.03x = 118,202.76 × 58,764.36
  4. Step 4: Simplify right side
    85,644.03x = 6,946,109,541.63
  5. Step 5: Solve for x
    x = 6,946,109,541.63/85,644.03
  6. Step 6: Final answer
    x = 81,104.42

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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.