Home / 71,618.40-107,427.60-55,010.40

Finding the Fourth Proportional to 71,618.40, 107,427.60 and 55,010.40

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Solution

The fourth proportional to 71,618.40, 107,427.60 and 55,010.40 is: 82,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,618.40 : 107,427.60 = 55,010.40 : x
  2. Step 2: Convert to fraction form
    71,618.40/107,427.60 = 55,010.40/x
  3. Step 3: Cross multiply
    71,618.40x = 107,427.60 × 55,010.40
  4. Step 4: Simplify right side
    71,618.40x = 5,909,635,247.04
  5. Step 5: Solve for x
    x = 5,909,635,247.04/71,618.40
  6. Step 6: Final answer
    x = 82,515.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.