Home / 45,724.11-63,120.84-34,397.91

Finding the Fourth Proportional to 45,724.11, 63,120.84 and 34,397.91

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Solution

The fourth proportional to 45,724.11, 63,120.84 and 34,397.91 is: 47,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,724.11 : 63,120.84 = 34,397.91 : x
  2. Step 2: Convert to fraction form
    45,724.11/63,120.84 = 34,397.91/x
  3. Step 3: Cross multiply
    45,724.11x = 63,120.84 × 34,397.91
  4. Step 4: Simplify right side
    45,724.11x = 2,171,224,973.44
  5. Step 5: Solve for x
    x = 2,171,224,973.44/45,724.11
  6. Step 6: Final answer
    x = 47,485.34

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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.