Home / 85,135.94-127,703.67-38,334.02

Finding the Fourth Proportional to 85,135.94, 127,703.67 and 38,334.02

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Solution

The fourth proportional to 85,135.94, 127,703.67 and 38,334.02 is: 57,500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,135.94 : 127,703.67 = 38,334.02 : x
  2. Step 2: Convert to fraction form
    85,135.94/127,703.67 = 38,334.02/x
  3. Step 3: Cross multiply
    85,135.94x = 127,703.67 × 38,334.02
  4. Step 4: Simplify right side
    85,135.94x = 4,895,395,039.85
  5. Step 5: Solve for x
    x = 4,895,395,039.85/85,135.94
  6. Step 6: Final answer
    x = 57,500.92

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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.