Home / 84,846.13-127,266.50-21,666.02

Finding the Fourth Proportional to 84,846.13, 127,266.50 and 21,666.02

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Solution

The fourth proportional to 84,846.13, 127,266.50 and 21,666.02 is: 32,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.13 : 127,266.50 = 21,666.02 : x
  2. Step 2: Convert to fraction form
    84,846.13/127,266.50 = 21,666.02/x
  3. Step 3: Cross multiply
    84,846.13x = 127,266.50 × 21,666.02
  4. Step 4: Simplify right side
    84,846.13x = 2,757,358,906.66
  5. Step 5: Solve for x
    x = 2,757,358,906.66/84,846.13
  6. Step 6: Final answer
    x = 32,498.35

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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.