Home / 73,070.28-100,844.69-42,880.95

Finding the Fourth Proportional to 73,070.28, 100,844.69 and 42,880.95

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Solution

The fourth proportional to 73,070.28, 100,844.69 and 42,880.95 is: 59,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,070.28 : 100,844.69 = 42,880.95 : x
  2. Step 2: Convert to fraction form
    73,070.28/100,844.69 = 42,880.95/x
  3. Step 3: Cross multiply
    73,070.28x = 100,844.69 × 42,880.95
  4. Step 4: Simplify right side
    73,070.28x = 4,324,315,895.25
  5. Step 5: Solve for x
    x = 4,324,315,895.25/73,070.28
  6. Step 6: Final answer
    x = 59,180.23

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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.