Home / 84,746.88-127,121.16-25,583.04

Finding the Fourth Proportional to 84,746.88, 127,121.16 and 25,583.04

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Solution

The fourth proportional to 84,746.88, 127,121.16 and 25,583.04 is: 38,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,746.88 : 127,121.16 = 25,583.04 : x
  2. Step 2: Convert to fraction form
    84,746.88/127,121.16 = 25,583.04/x
  3. Step 3: Cross multiply
    84,746.88x = 127,121.16 × 25,583.04
  4. Step 4: Simplify right side
    84,746.88x = 3,252,145,721.13
  5. Step 5: Solve for x
    x = 3,252,145,721.13/84,746.88
  6. Step 6: Final answer
    x = 38,374.81

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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.