Home / 45,965.09-63,439.21-42,963.43

Finding the Fourth Proportional to 45,965.09, 63,439.21 and 42,963.43

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Solution

The fourth proportional to 45,965.09, 63,439.21 and 42,963.43 is: 59,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,965.09 : 63,439.21 = 42,963.43 : x
  2. Step 2: Convert to fraction form
    45,965.09/63,439.21 = 42,963.43/x
  3. Step 3: Cross multiply
    45,965.09x = 63,439.21 × 42,963.43
  4. Step 4: Simplify right side
    45,965.09x = 2,725,565,843.27
  5. Step 5: Solve for x
    x = 2,725,565,843.27/45,965.09
  6. Step 6: Final answer
    x = 59,296.44

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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.