Home / 97,099.02-145,664.20-28,717.50

Finding the Fourth Proportional to 97,099.02, 145,664.20 and 28,717.50

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Solution

The fourth proportional to 97,099.02, 145,664.20 and 28,717.50 is: 43,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,099.02 : 145,664.20 = 28,717.50 : x
  2. Step 2: Convert to fraction form
    97,099.02/145,664.20 = 28,717.50/x
  3. Step 3: Cross multiply
    97,099.02x = 145,664.20 × 28,717.50
  4. Step 4: Simplify right side
    97,099.02x = 4,183,111,663.50
  5. Step 5: Solve for x
    x = 4,183,111,663.50/97,099.02
  6. Step 6: Final answer
    x = 43,080.88

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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.