Home / 85,525.05-117,995.67-55,348.50

Finding the Fourth Proportional to 85,525.05, 117,995.67 and 55,348.50

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Solution

The fourth proportional to 85,525.05, 117,995.67 and 55,348.50 is: 76,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,525.05 : 117,995.67 = 55,348.50 : x
  2. Step 2: Convert to fraction form
    85,525.05/117,995.67 = 55,348.50/x
  3. Step 3: Cross multiply
    85,525.05x = 117,995.67 × 55,348.50
  4. Step 4: Simplify right side
    85,525.05x = 6,530,883,341.00
  5. Step 5: Solve for x
    x = 6,530,883,341.00/85,525.05
  6. Step 6: Final answer
    x = 76,362.23

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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.