Home / 74,757.44-103,160.58-42,903.92

Finding the Fourth Proportional to 74,757.44, 103,160.58 and 42,903.92

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Solution

The fourth proportional to 74,757.44, 103,160.58 and 42,903.92 is: 59,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,757.44 : 103,160.58 = 42,903.92 : x
  2. Step 2: Convert to fraction form
    74,757.44/103,160.58 = 42,903.92/x
  3. Step 3: Cross multiply
    74,757.44x = 103,160.58 × 42,903.92
  4. Step 4: Simplify right side
    74,757.44x = 4,425,993,271.47
  5. Step 5: Solve for x
    x = 4,425,993,271.47/74,757.44
  6. Step 6: Final answer
    x = 59,204.72

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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.