Home / 104,009.30-156,121.63-64,057.06

Finding the Fourth Proportional to 104,009.30, 156,121.63 and 64,057.06

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Solution

The fourth proportional to 104,009.30, 156,121.63 and 64,057.06 is: 96,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,009.30 : 156,121.63 = 64,057.06 : x
  2. Step 2: Convert to fraction form
    104,009.30/156,121.63 = 64,057.06/x
  3. Step 3: Cross multiply
    104,009.30x = 156,121.63 × 64,057.06
  4. Step 4: Simplify right side
    104,009.30x = 10,000,692,655.22
  5. Step 5: Solve for x
    x = 10,000,692,655.22/104,009.30
  6. Step 6: Final answer
    x = 96,151.91

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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.