Home / 85,191.75-127,804.03-38,444.63

Finding the Fourth Proportional to 85,191.75, 127,804.03 and 38,444.63

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Solution

The fourth proportional to 85,191.75, 127,804.03 and 38,444.63 is: 57,674.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,191.75 : 127,804.03 = 38,444.63 : x
  2. Step 2: Convert to fraction form
    85,191.75/127,804.03 = 38,444.63/x
  3. Step 3: Cross multiply
    85,191.75x = 127,804.03 × 38,444.63
  4. Step 4: Simplify right side
    85,191.75x = 4,913,377,910.73
  5. Step 5: Solve for x
    x = 4,913,377,910.73/85,191.75
  6. Step 6: Final answer
    x = 57,674.34

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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.