Home / 77,212.44-106,533.90-45,375.12

Finding the Fourth Proportional to 77,212.44, 106,533.90 and 45,375.12

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Solution

The fourth proportional to 77,212.44, 106,533.90 and 45,375.12 is: 62,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,212.44 : 106,533.90 = 45,375.12 : x
  2. Step 2: Convert to fraction form
    77,212.44/106,533.90 = 45,375.12/x
  3. Step 3: Cross multiply
    77,212.44x = 106,533.90 × 45,375.12
  4. Step 4: Simplify right side
    77,212.44x = 4,833,988,496.57
  5. Step 5: Solve for x
    x = 4,833,988,496.57/77,212.44
  6. Step 6: Final answer
    x = 62,606.34

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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.