Home / 58,339.36-87,377.68-40,887.12

Finding the Fourth Proportional to 58,339.36, 87,377.68 and 40,887.12

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Solution

The fourth proportional to 58,339.36, 87,377.68 and 40,887.12 is: 61,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,339.36 : 87,377.68 = 40,887.12 : x
  2. Step 2: Convert to fraction form
    58,339.36/87,377.68 = 40,887.12/x
  3. Step 3: Cross multiply
    58,339.36x = 87,377.68 × 40,887.12
  4. Step 4: Simplify right side
    58,339.36x = 3,572,621,687.48
  5. Step 5: Solve for x
    x = 3,572,621,687.48/58,339.36
  6. Step 6: Final answer
    x = 61,238.62

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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.