Home / 84,903.90-117,131.04-53,017.44

Finding the Fourth Proportional to 84,903.90, 117,131.04 and 53,017.44

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Solution

The fourth proportional to 84,903.90, 117,131.04 and 53,017.44 is: 73,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,903.90 : 117,131.04 = 53,017.44 : x
  2. Step 2: Convert to fraction form
    84,903.90/117,131.04 = 53,017.44/x
  3. Step 3: Cross multiply
    84,903.90x = 117,131.04 × 53,017.44
  4. Step 4: Simplify right side
    84,903.90x = 6,209,987,885.34
  5. Step 5: Solve for x
    x = 6,209,987,885.34/84,903.90
  6. Step 6: Final answer
    x = 73,141.37

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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.