Home / 75,424.50-104,077.98-43,603.56

Finding the Fourth Proportional to 75,424.50, 104,077.98 and 43,603.56

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Solution

The fourth proportional to 75,424.50, 104,077.98 and 43,603.56 is: 60,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,424.50 : 104,077.98 = 43,603.56 : x
  2. Step 2: Convert to fraction form
    75,424.50/104,077.98 = 43,603.56/x
  3. Step 3: Cross multiply
    75,424.50x = 104,077.98 × 43,603.56
  4. Step 4: Simplify right side
    75,424.50x = 4,538,170,445.61
  5. Step 5: Solve for x
    x = 4,538,170,445.61/75,424.50
  6. Step 6: Final answer
    x = 60,168.39

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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.