Home / 37,106.76-55,646.04-13,407.88

Finding the Fourth Proportional to 37,106.76, 55,646.04 and 13,407.88

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Solution

The fourth proportional to 37,106.76, 55,646.04 and 13,407.88 is: 20,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,106.76 : 55,646.04 = 13,407.88 : x
  2. Step 2: Convert to fraction form
    37,106.76/55,646.04 = 13,407.88/x
  3. Step 3: Cross multiply
    37,106.76x = 55,646.04 × 13,407.88
  4. Step 4: Simplify right side
    37,106.76x = 746,095,426.80
  5. Step 5: Solve for x
    x = 746,095,426.80/37,106.76
  6. Step 6: Final answer
    x = 20,106.73

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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.