Home / 45,536.16-68,312.13-13,945.47

Finding the Fourth Proportional to 45,536.16, 68,312.13 and 13,945.47

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Solution

The fourth proportional to 45,536.16, 68,312.13 and 13,945.47 is: 20,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,536.16 : 68,312.13 = 13,945.47 : x
  2. Step 2: Convert to fraction form
    45,536.16/68,312.13 = 13,945.47/x
  3. Step 3: Cross multiply
    45,536.16x = 68,312.13 × 13,945.47
  4. Step 4: Simplify right side
    45,536.16x = 952,644,759.55
  5. Step 5: Solve for x
    x = 952,644,759.55/45,536.16
  6. Step 6: Final answer
    x = 20,920.62

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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.