Home / 51,513.30-71,013.51-42,544.98

Finding the Fourth Proportional to 51,513.30, 71,013.51 and 42,544.98

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Solution

The fourth proportional to 51,513.30, 71,013.51 and 42,544.98 is: 58,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,513.30 : 71,013.51 = 42,544.98 : x
  2. Step 2: Convert to fraction form
    51,513.30/71,013.51 = 42,544.98/x
  3. Step 3: Cross multiply
    51,513.30x = 71,013.51 × 42,544.98
  4. Step 4: Simplify right side
    51,513.30x = 3,021,268,362.68
  5. Step 5: Solve for x
    x = 3,021,268,362.68/51,513.30
  6. Step 6: Final answer
    x = 58,650.26

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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.