Home / 94,020.90-129,746.61-51,579.06

Finding the Fourth Proportional to 94,020.90, 129,746.61 and 51,579.06

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Solution

The fourth proportional to 94,020.90, 129,746.61 and 51,579.06 is: 71,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,020.90 : 129,746.61 = 51,579.06 : x
  2. Step 2: Convert to fraction form
    94,020.90/129,746.61 = 51,579.06/x
  3. Step 3: Cross multiply
    94,020.90x = 129,746.61 × 51,579.06
  4. Step 4: Simplify right side
    94,020.90x = 6,692,208,181.99
  5. Step 5: Solve for x
    x = 6,692,208,181.99/94,020.90
  6. Step 6: Final answer
    x = 71,177.88

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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.