Home / 66,099.47-99,185.58-28,659.87

Finding the Fourth Proportional to 66,099.47, 99,185.58 and 28,659.87

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Solution

The fourth proportional to 66,099.47, 99,185.58 and 28,659.87 is: 43,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,099.47 : 99,185.58 = 28,659.87 : x
  2. Step 2: Convert to fraction form
    66,099.47/99,185.58 = 28,659.87/x
  3. Step 3: Cross multiply
    66,099.47x = 99,185.58 × 28,659.87
  4. Step 4: Simplify right side
    66,099.47x = 2,842,645,828.67
  5. Step 5: Solve for x
    x = 2,842,645,828.67/66,099.47
  6. Step 6: Final answer
    x = 43,005.58

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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.