Home / 103,536.36-142,796.70-69,534.54

Finding the Fourth Proportional to 103,536.36, 142,796.70 and 69,534.54

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Solution

The fourth proportional to 103,536.36, 142,796.70 and 69,534.54 is: 95,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,536.36 : 142,796.70 = 69,534.54 : x
  2. Step 2: Convert to fraction form
    103,536.36/142,796.70 = 69,534.54/x
  3. Step 3: Cross multiply
    103,536.36x = 142,796.70 × 69,534.54
  4. Step 4: Simplify right side
    103,536.36x = 9,929,302,848.02
  5. Step 5: Solve for x
    x = 9,929,302,848.02/103,536.36
  6. Step 6: Final answer
    x = 95,901.60

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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.