Home / 104,001.64-155,696.28-64,431.52

Finding the Fourth Proportional to 104,001.64, 155,696.28 and 64,431.52

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Solution

The fourth proportional to 104,001.64, 155,696.28 and 64,431.52 is: 96,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,001.64 : 155,696.28 = 64,431.52 : x
  2. Step 2: Convert to fraction form
    104,001.64/155,696.28 = 64,431.52/x
  3. Step 3: Cross multiply
    104,001.64x = 155,696.28 × 64,431.52
  4. Step 4: Simplify right side
    104,001.64x = 10,031,747,978.75
  5. Step 5: Solve for x
    x = 10,031,747,978.75/104,001.64
  6. Step 6: Final answer
    x = 96,457.59

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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.