Home / 84,827.50-117,009.82-60,986.14

Finding the Fourth Proportional to 84,827.50, 117,009.82 and 60,986.14

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Solution

The fourth proportional to 84,827.50, 117,009.82 and 60,986.14 is: 84,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827.50 : 117,009.82 = 60,986.14 : x
  2. Step 2: Convert to fraction form
    84,827.50/117,009.82 = 60,986.14/x
  3. Step 3: Cross multiply
    84,827.50x = 117,009.82 × 60,986.14
  4. Step 4: Simplify right side
    84,827.50x = 7,135,977,263.89
  5. Step 5: Solve for x
    x = 7,135,977,263.89/84,827.50
  6. Step 6: Final answer
    x = 84,123.39

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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.