Home / 84,718.45-127,036.63-25,543.09

Finding the Fourth Proportional to 84,718.45, 127,036.63 and 25,543.09

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Solution

The fourth proportional to 84,718.45, 127,036.63 and 25,543.09 is: 38,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718.45 : 127,036.63 = 25,543.09 : x
  2. Step 2: Convert to fraction form
    84,718.45/127,036.63 = 25,543.09/x
  3. Step 3: Cross multiply
    84,718.45x = 127,036.63 × 25,543.09
  4. Step 4: Simplify right side
    84,718.45x = 3,244,908,073.39
  5. Step 5: Solve for x
    x = 3,244,908,073.39/84,718.45
  6. Step 6: Final answer
    x = 38,302.26

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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.