Home / 74,274.10-111,425.55-37,338.10

Finding the Fourth Proportional to 74,274.10, 111,425.55 and 37,338.10

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Solution

The fourth proportional to 74,274.10, 111,425.55 and 37,338.10 is: 56,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.10 : 111,425.55 = 37,338.10 : x
  2. Step 2: Convert to fraction form
    74,274.10/111,425.55 = 37,338.10/x
  3. Step 3: Cross multiply
    74,274.10x = 111,425.55 × 37,338.10
  4. Step 4: Simplify right side
    74,274.10x = 4,160,418,328.46
  5. Step 5: Solve for x
    x = 4,160,418,328.46/74,274.10
  6. Step 6: Final answer
    x = 56,014.39

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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.