Home / 69,143.22-95,426.10-45,275.76

Finding the Fourth Proportional to 69,143.22, 95,426.10 and 45,275.76

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Solution

The fourth proportional to 69,143.22, 95,426.10 and 45,275.76 is: 62,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,143.22 : 95,426.10 = 45,275.76 : x
  2. Step 2: Convert to fraction form
    69,143.22/95,426.10 = 45,275.76/x
  3. Step 3: Cross multiply
    69,143.22x = 95,426.10 × 45,275.76
  4. Step 4: Simplify right side
    69,143.22x = 4,320,489,201.34
  5. Step 5: Solve for x
    x = 4,320,489,201.34/69,143.22
  6. Step 6: Final answer
    x = 62,486.09

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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.