Home / 77,813.27-107,383.34-45,567.98

Finding the Fourth Proportional to 77,813.27, 107,383.34 and 45,567.98

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Solution

The fourth proportional to 77,813.27, 107,383.34 and 45,567.98 is: 62,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,813.27 : 107,383.34 = 45,567.98 : x
  2. Step 2: Convert to fraction form
    77,813.27/107,383.34 = 45,567.98/x
  3. Step 3: Cross multiply
    77,813.27x = 107,383.34 × 45,567.98
  4. Step 4: Simplify right side
    77,813.27x = 4,893,241,930.07
  5. Step 5: Solve for x
    x = 4,893,241,930.07/77,813.27
  6. Step 6: Final answer
    x = 62,884.41

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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.