Home / 85,303.13-127,949.29-33,316.95

Finding the Fourth Proportional to 85,303.13, 127,949.29 and 33,316.95

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Solution

The fourth proportional to 85,303.13, 127,949.29 and 33,316.95 is: 49,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,303.13 : 127,949.29 = 33,316.95 : x
  2. Step 2: Convert to fraction form
    85,303.13/127,949.29 = 33,316.95/x
  3. Step 3: Cross multiply
    85,303.13x = 127,949.29 × 33,316.95
  4. Step 4: Simplify right side
    85,303.13x = 4,262,880,493.98
  5. Step 5: Solve for x
    x = 4,262,880,493.98/85,303.13
  6. Step 6: Final answer
    x = 49,973.32

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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.