Home / 77,818.35-107,393.34-47,594.19

Finding the Fourth Proportional to 77,818.35, 107,393.34 and 47,594.19

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Solution

The fourth proportional to 77,818.35, 107,393.34 and 47,594.19 is: 65,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,818.35 : 107,393.34 = 47,594.19 : x
  2. Step 2: Convert to fraction form
    77,818.35/107,393.34 = 47,594.19/x
  3. Step 3: Cross multiply
    77,818.35x = 107,393.34 × 47,594.19
  4. Step 4: Simplify right side
    77,818.35x = 5,111,299,028.69
  5. Step 5: Solve for x
    x = 5,111,299,028.69/77,818.35
  6. Step 6: Final answer
    x = 65,682.44

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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.