Home / 85,313.23-127,969.83-29,153.82

Finding the Fourth Proportional to 85,313.23, 127,969.83 and 29,153.82

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Solution

The fourth proportional to 85,313.23, 127,969.83 and 29,153.82 is: 43,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,313.23 : 127,969.83 = 29,153.82 : x
  2. Step 2: Convert to fraction form
    85,313.23/127,969.83 = 29,153.82/x
  3. Step 3: Cross multiply
    85,313.23x = 127,969.83 × 29,153.82
  4. Step 4: Simplify right side
    85,313.23x = 3,730,809,243.48
  5. Step 5: Solve for x
    x = 3,730,809,243.48/85,313.23
  6. Step 6: Final answer
    x = 43,730.73

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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.