Home / 103,145.48-154,693.02-33,010.28

Finding the Fourth Proportional to 103,145.48, 154,693.02 and 33,010.28

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Solution

The fourth proportional to 103,145.48, 154,693.02 and 33,010.28 is: 49,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,145.48 : 154,693.02 = 33,010.28 : x
  2. Step 2: Convert to fraction form
    103,145.48/154,693.02 = 33,010.28/x
  3. Step 3: Cross multiply
    103,145.48x = 154,693.02 × 33,010.28
  4. Step 4: Simplify right side
    103,145.48x = 5,106,459,904.25
  5. Step 5: Solve for x
    x = 5,106,459,904.25/103,145.48
  6. Step 6: Final answer
    x = 49,507.36

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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.