Home / 75,341.07-103,985.01-49,847.94

Finding the Fourth Proportional to 75,341.07, 103,985.01 and 49,847.94

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Solution

The fourth proportional to 75,341.07, 103,985.01 and 49,847.94 is: 68,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,341.07 : 103,985.01 = 49,847.94 : x
  2. Step 2: Convert to fraction form
    75,341.07/103,985.01 = 49,847.94/x
  3. Step 3: Cross multiply
    75,341.07x = 103,985.01 × 49,847.94
  4. Step 4: Simplify right side
    75,341.07x = 5,183,438,539.38
  5. Step 5: Solve for x
    x = 5,183,438,539.38/75,341.07
  6. Step 6: Final answer
    x = 68,799.64

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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.