Home / 58,418.28-87,544.08-45,040.68

Finding the Fourth Proportional to 58,418.28, 87,544.08 and 45,040.68

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Solution

The fourth proportional to 58,418.28, 87,544.08 and 45,040.68 is: 67,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,418.28 : 87,544.08 = 45,040.68 : x
  2. Step 2: Convert to fraction form
    58,418.28/87,544.08 = 45,040.68/x
  3. Step 3: Cross multiply
    58,418.28x = 87,544.08 × 45,040.68
  4. Step 4: Simplify right side
    58,418.28x = 3,943,044,893.17
  5. Step 5: Solve for x
    x = 3,943,044,893.17/58,418.28
  6. Step 6: Final answer
    x = 67,496.76

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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.