Home / 52,290.28-72,157.98-29,628.64

Finding the Fourth Proportional to 52,290.28, 72,157.98 and 29,628.64

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Solution

The fourth proportional to 52,290.28, 72,157.98 and 29,628.64 is: 40,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.28 : 72,157.98 = 29,628.64 : x
  2. Step 2: Convert to fraction form
    52,290.28/72,157.98 = 29,628.64/x
  3. Step 3: Cross multiply
    52,290.28x = 72,157.98 × 29,628.64
  4. Step 4: Simplify right side
    52,290.28x = 2,137,942,812.55
  5. Step 5: Solve for x
    x = 2,137,942,812.55/52,290.28
  6. Step 6: Final answer
    x = 40,886.05

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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.