Home / 68,518.28-94,567.56-40,225.52

Finding the Fourth Proportional to 68,518.28, 94,567.56 and 40,225.52

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Solution

The fourth proportional to 68,518.28, 94,567.56 and 40,225.52 is: 55,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,518.28 : 94,567.56 = 40,225.52 : x
  2. Step 2: Convert to fraction form
    68,518.28/94,567.56 = 40,225.52/x
  3. Step 3: Cross multiply
    68,518.28x = 94,567.56 × 40,225.52
  4. Step 4: Simplify right side
    68,518.28x = 3,804,029,276.13
  5. Step 5: Solve for x
    x = 3,804,029,276.13/68,518.28
  6. Step 6: Final answer
    x = 55,518.46

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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.