Home / 50,646.72-75,857.76-40,761.12

Finding the Fourth Proportional to 50,646.72, 75,857.76 and 40,761.12

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Solution

The fourth proportional to 50,646.72, 75,857.76 and 40,761.12 is: 61,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,646.72 : 75,857.76 = 40,761.12 : x
  2. Step 2: Convert to fraction form
    50,646.72/75,857.76 = 40,761.12/x
  3. Step 3: Cross multiply
    50,646.72x = 75,857.76 × 40,761.12
  4. Step 4: Simplify right side
    50,646.72x = 3,092,047,258.29
  5. Step 5: Solve for x
    x = 3,092,047,258.29/50,646.72
  6. Step 6: Final answer
    x = 61,051.28

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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.