Home / 40,737.47-61,106.03-11,157.55

Finding the Fourth Proportional to 40,737.47, 61,106.03 and 11,157.55

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Solution

The fourth proportional to 40,737.47, 61,106.03 and 11,157.55 is: 16,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,737.47 : 61,106.03 = 11,157.55 : x
  2. Step 2: Convert to fraction form
    40,737.47/61,106.03 = 11,157.55/x
  3. Step 3: Cross multiply
    40,737.47x = 61,106.03 × 11,157.55
  4. Step 4: Simplify right side
    40,737.47x = 681,793,418.31
  5. Step 5: Solve for x
    x = 681,793,418.31/40,737.47
  6. Step 6: Final answer
    x = 16,736.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.