Home / 77,944.18-116,887.40-28,010.82

Finding the Fourth Proportional to 77,944.18, 116,887.40 and 28,010.82

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Solution

The fourth proportional to 77,944.18, 116,887.40 and 28,010.82 is: 42,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,944.18 : 116,887.40 = 28,010.82 : x
  2. Step 2: Convert to fraction form
    77,944.18/116,887.40 = 28,010.82/x
  3. Step 3: Cross multiply
    77,944.18x = 116,887.40 × 28,010.82
  4. Step 4: Simplify right side
    77,944.18x = 3,274,111,921.67
  5. Step 5: Solve for x
    x = 3,274,111,921.67/77,944.18
  6. Step 6: Final answer
    x = 42,005.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.