Home / 76,936.56-106,172.64-42,944.28

Finding the Fourth Proportional to 76,936.56, 106,172.64 and 42,944.28

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Solution

The fourth proportional to 76,936.56, 106,172.64 and 42,944.28 is: 59,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,936.56 : 106,172.64 = 42,944.28 : x
  2. Step 2: Convert to fraction form
    76,936.56/106,172.64 = 42,944.28/x
  3. Step 3: Cross multiply
    76,936.56x = 106,172.64 × 42,944.28
  4. Step 4: Simplify right side
    76,936.56x = 4,559,507,580.50
  5. Step 5: Solve for x
    x = 4,559,507,580.50/76,936.56
  6. Step 6: Final answer
    x = 59,263.21

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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.