Home / 58,918.76-81,365.64-50,371.28

Finding the Fourth Proportional to 58,918.76, 81,365.64 and 50,371.28

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Solution

The fourth proportional to 58,918.76, 81,365.64 and 50,371.28 is: 69,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,918.76 : 81,365.64 = 50,371.28 : x
  2. Step 2: Convert to fraction form
    58,918.76/81,365.64 = 50,371.28/x
  3. Step 3: Cross multiply
    58,918.76x = 81,365.64 × 50,371.28
  4. Step 4: Simplify right side
    58,918.76x = 4,098,491,434.82
  5. Step 5: Solve for x
    x = 4,098,491,434.82/58,918.76
  6. Step 6: Final answer
    x = 69,561.74

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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.