Home / 109,714.02-151,404.54-61,976.70

Finding the Fourth Proportional to 109,714.02, 151,404.54 and 61,976.70

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Solution

The fourth proportional to 109,714.02, 151,404.54 and 61,976.70 is: 85,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,714.02 : 151,404.54 = 61,976.70 : x
  2. Step 2: Convert to fraction form
    109,714.02/151,404.54 = 61,976.70/x
  3. Step 3: Cross multiply
    109,714.02x = 151,404.54 × 61,976.70
  4. Step 4: Simplify right side
    109,714.02x = 9,383,553,754.22
  5. Step 5: Solve for x
    x = 9,383,553,754.22/109,714.02
  6. Step 6: Final answer
    x = 85,527.39

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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.