Home / 43,125.63-64,688.44-11,960.88

Finding the Fourth Proportional to 43,125.63, 64,688.44 and 11,960.88

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Solution

The fourth proportional to 43,125.63, 64,688.44 and 11,960.88 is: 17,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,125.63 : 64,688.44 = 11,960.88 : x
  2. Step 2: Convert to fraction form
    43,125.63/64,688.44 = 11,960.88/x
  3. Step 3: Cross multiply
    43,125.63x = 64,688.44 × 11,960.88
  4. Step 4: Simplify right side
    43,125.63x = 773,730,668.23
  5. Step 5: Solve for x
    x = 773,730,668.23/43,125.63
  6. Step 6: Final answer
    x = 17,941.32

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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.