Home / 77,501.09-106,944.12-43,501.78

Finding the Fourth Proportional to 77,501.09, 106,944.12 and 43,501.78

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Solution

The fourth proportional to 77,501.09, 106,944.12 and 43,501.78 is: 60,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,501.09 : 106,944.12 = 43,501.78 : x
  2. Step 2: Convert to fraction form
    77,501.09/106,944.12 = 43,501.78/x
  3. Step 3: Cross multiply
    77,501.09x = 106,944.12 × 43,501.78
  4. Step 4: Simplify right side
    77,501.09x = 4,652,260,137.34
  5. Step 5: Solve for x
    x = 4,652,260,137.34/77,501.09
  6. Step 6: Final answer
    x = 60,028.32

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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.