Home / 53,668.34-80,427.62-45,729.62

Finding the Fourth Proportional to 53,668.34, 80,427.62 and 45,729.62

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Solution

The fourth proportional to 53,668.34, 80,427.62 and 45,729.62 is: 68,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,668.34 : 80,427.62 = 45,729.62 : x
  2. Step 2: Convert to fraction form
    53,668.34/80,427.62 = 45,729.62/x
  3. Step 3: Cross multiply
    53,668.34x = 80,427.62 × 45,729.62
  4. Step 4: Simplify right side
    53,668.34x = 3,677,924,500.10
  5. Step 5: Solve for x
    x = 3,677,924,500.10/53,668.34
  6. Step 6: Final answer
    x = 68,530.62

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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.