Home / 77,693.58-107,214.03-43,702.74

Finding the Fourth Proportional to 77,693.58, 107,214.03 and 43,702.74

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Solution

The fourth proportional to 77,693.58, 107,214.03 and 43,702.74 is: 60,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,693.58 : 107,214.03 = 43,702.74 : x
  2. Step 2: Convert to fraction form
    77,693.58/107,214.03 = 43,702.74/x
  3. Step 3: Cross multiply
    77,693.58x = 107,214.03 × 43,702.74
  4. Step 4: Simplify right side
    77,693.58x = 4,685,546,877.44
  5. Step 5: Solve for x
    x = 4,685,546,877.44/77,693.58
  6. Step 6: Final answer
    x = 60,308.03

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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.