Home / 69,573.27-95,999.40-40,887.12

Finding the Fourth Proportional to 69,573.27, 95,999.40 and 40,887.12

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Solution

The fourth proportional to 69,573.27, 95,999.40 and 40,887.12 is: 56,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,573.27 : 95,999.40 = 40,887.12 : x
  2. Step 2: Convert to fraction form
    69,573.27/95,999.40 = 40,887.12/x
  3. Step 3: Cross multiply
    69,573.27x = 95,999.40 × 40,887.12
  4. Step 4: Simplify right side
    69,573.27x = 3,925,138,987.73
  5. Step 5: Solve for x
    x = 3,925,138,987.73/69,573.27
  6. Step 6: Final answer
    x = 56,417.34

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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.