Home / 68,203.23-94,120.64-39,528.45

Finding the Fourth Proportional to 68,203.23, 94,120.64 and 39,528.45

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Solution

The fourth proportional to 68,203.23, 94,120.64 and 39,528.45 is: 54,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,203.23 : 94,120.64 = 39,528.45 : x
  2. Step 2: Convert to fraction form
    68,203.23/94,120.64 = 39,528.45/x
  3. Step 3: Cross multiply
    68,203.23x = 94,120.64 × 39,528.45
  4. Step 4: Simplify right side
    68,203.23x = 3,720,442,814.57
  5. Step 5: Solve for x
    x = 3,720,442,814.57/68,203.23
  6. Step 6: Final answer
    x = 54,549.36

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1.5x scale

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.