Home / 85,221.36-117,606.06-47,498.04

Finding the Fourth Proportional to 85,221.36, 117,606.06 and 47,498.04

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Solution

The fourth proportional to 85,221.36, 117,606.06 and 47,498.04 is: 65,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,221.36 : 117,606.06 = 47,498.04 : x
  2. Step 2: Convert to fraction form
    85,221.36/117,606.06 = 47,498.04/x
  3. Step 3: Cross multiply
    85,221.36x = 117,606.06 × 47,498.04
  4. Step 4: Simplify right side
    85,221.36x = 5,586,057,342.12
  5. Step 5: Solve for x
    x = 5,586,057,342.12/85,221.36
  6. Step 6: Final answer
    x = 65,547.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.