Home / 101,714.50-140,366.97-57,003.46

Finding the Fourth Proportional to 101,714.50, 140,366.97 and 57,003.46

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Solution

The fourth proportional to 101,714.50, 140,366.97 and 57,003.46 is: 78,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,714.50 : 140,366.97 = 57,003.46 : x
  2. Step 2: Convert to fraction form
    101,714.50/140,366.97 = 57,003.46/x
  3. Step 3: Cross multiply
    101,714.50x = 140,366.97 × 57,003.46
  4. Step 4: Simplify right side
    101,714.50x = 8,001,402,959.72
  5. Step 5: Solve for x
    x = 8,001,402,959.72/101,714.50
  6. Step 6: Final answer
    x = 78,665.31

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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.