Home / 85,300.13-127,944.80-33,313.95

Finding the Fourth Proportional to 85,300.13, 127,944.80 and 33,313.95

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Solution

The fourth proportional to 85,300.13, 127,944.80 and 33,313.95 is: 49,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,300.13 : 127,944.80 = 33,313.95 : x
  2. Step 2: Convert to fraction form
    85,300.13/127,944.80 = 33,313.95/x
  3. Step 3: Cross multiply
    85,300.13x = 127,944.80 × 33,313.95
  4. Step 4: Simplify right side
    85,300.13x = 4,262,346,503.39
  5. Step 5: Solve for x
    x = 4,262,346,503.39/85,300.13
  6. Step 6: Final answer
    x = 49,968.82

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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.