Home / 75,186.60-103,768.56-43,349.28

Finding the Fourth Proportional to 75,186.60, 103,768.56 and 43,349.28

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Solution

The fourth proportional to 75,186.60, 103,768.56 and 43,349.28 is: 59,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,186.60 : 103,768.56 = 43,349.28 : x
  2. Step 2: Convert to fraction form
    75,186.60/103,768.56 = 43,349.28/x
  3. Step 3: Cross multiply
    75,186.60x = 103,768.56 × 43,349.28
  4. Step 4: Simplify right side
    75,186.60x = 4,498,292,362.64
  5. Step 5: Solve for x
    x = 4,498,292,362.64/75,186.60
  6. Step 6: Final answer
    x = 59,828.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.