Home / 84,837.29-127,257.75-25,672.86

Finding the Fourth Proportional to 84,837.29, 127,257.75 and 25,672.86

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Solution

The fourth proportional to 84,837.29, 127,257.75 and 25,672.86 is: 38,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,837.29 : 127,257.75 = 25,672.86 : x
  2. Step 2: Convert to fraction form
    84,837.29/127,257.75 = 25,672.86/x
  3. Step 3: Cross multiply
    84,837.29x = 127,257.75 × 25,672.86
  4. Step 4: Simplify right side
    84,837.29x = 3,267,070,399.67
  5. Step 5: Solve for x
    x = 3,267,070,399.67/84,837.29
  6. Step 6: Final answer
    x = 38,509.84

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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.