Home / 77,432.73-106,865.27-43,450.39

Finding the Fourth Proportional to 77,432.73, 106,865.27 and 43,450.39

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Solution

The fourth proportional to 77,432.73, 106,865.27 and 43,450.39 is: 59,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432.73 : 106,865.27 = 43,450.39 : x
  2. Step 2: Convert to fraction form
    77,432.73/106,865.27 = 43,450.39/x
  3. Step 3: Cross multiply
    77,432.73x = 106,865.27 × 43,450.39
  4. Step 4: Simplify right side
    77,432.73x = 4,643,337,658.96
  5. Step 5: Solve for x
    x = 4,643,337,658.96/77,432.73
  6. Step 6: Final answer
    x = 59,966.08

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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.