Home / 77,432.44-106,850.36-43,436.20

Finding the Fourth Proportional to 77,432.44, 106,850.36 and 43,436.20

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Solution

The fourth proportional to 77,432.44, 106,850.36 and 43,436.20 is: 59,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432.44 : 106,850.36 = 43,436.20 : x
  2. Step 2: Convert to fraction form
    77,432.44/106,850.36 = 43,436.20/x
  3. Step 3: Cross multiply
    77,432.44x = 106,850.36 × 43,436.20
  4. Step 4: Simplify right side
    77,432.44x = 4,641,173,607.03
  5. Step 5: Solve for x
    x = 4,641,173,607.03/77,432.44
  6. Step 6: Final answer
    x = 59,938.36

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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.