Home / 88,333.74-121,903.56-50,615.28

Finding the Fourth Proportional to 88,333.74, 121,903.56 and 50,615.28

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Solution

The fourth proportional to 88,333.74, 121,903.56 and 50,615.28 is: 69,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,333.74 : 121,903.56 = 50,615.28 : x
  2. Step 2: Convert to fraction form
    88,333.74/121,903.56 = 50,615.28/x
  3. Step 3: Cross multiply
    88,333.74x = 121,903.56 × 50,615.28
  4. Step 4: Simplify right side
    88,333.74x = 6,170,182,822.40
  5. Step 5: Solve for x
    x = 6,170,182,822.40/88,333.74
  6. Step 6: Final answer
    x = 69,850.80

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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.