Home / 85,061.07-127,591.44-25,131.63

Finding the Fourth Proportional to 85,061.07, 127,591.44 and 25,131.63

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Solution

The fourth proportional to 85,061.07, 127,591.44 and 25,131.63 is: 37,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,061.07 : 127,591.44 = 25,131.63 : x
  2. Step 2: Convert to fraction form
    85,061.07/127,591.44 = 25,131.63/x
  3. Step 3: Cross multiply
    85,061.07x = 127,591.44 × 25,131.63
  4. Step 4: Simplify right side
    85,061.07x = 3,206,580,223.29
  5. Step 5: Solve for x
    x = 3,206,580,223.29/85,061.07
  6. Step 6: Final answer
    x = 37,697.39

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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.