Home / 74,285.84-111,461.56-29,999.09

Finding the Fourth Proportional to 74,285.84, 111,461.56 and 29,999.09

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Solution

The fourth proportional to 74,285.84, 111,461.56 and 29,999.09 is: 45,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,285.84 : 111,461.56 = 29,999.09 : x
  2. Step 2: Convert to fraction form
    74,285.84/111,461.56 = 29,999.09/x
  3. Step 3: Cross multiply
    74,285.84x = 111,461.56 × 29,999.09
  4. Step 4: Simplify right side
    74,285.84x = 3,343,745,573.64
  5. Step 5: Solve for x
    x = 3,343,745,573.64/74,285.84
  6. Step 6: Final answer
    x = 45,011.88

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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.