Home / 85,554.12-118,069.17-51,573.39

Finding the Fourth Proportional to 85,554.12, 118,069.17 and 51,573.39

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Solution

The fourth proportional to 85,554.12, 118,069.17 and 51,573.39 is: 71,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,554.12 : 118,069.17 = 51,573.39 : x
  2. Step 2: Convert to fraction form
    85,554.12/118,069.17 = 51,573.39/x
  3. Step 3: Cross multiply
    85,554.12x = 118,069.17 × 51,573.39
  4. Step 4: Simplify right side
    85,554.12x = 6,089,227,351.39
  5. Step 5: Solve for x
    x = 6,089,227,351.39/85,554.12
  6. Step 6: Final answer
    x = 71,173.98

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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.