Home / 62,387.36-86,157.47-39,736.50

Finding the Fourth Proportional to 62,387.36, 86,157.47 and 39,736.50

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Solution

The fourth proportional to 62,387.36, 86,157.47 and 39,736.50 is: 54,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,387.36 : 86,157.47 = 39,736.50 : x
  2. Step 2: Convert to fraction form
    62,387.36/86,157.47 = 39,736.50/x
  3. Step 3: Cross multiply
    62,387.36x = 86,157.47 × 39,736.50
  4. Step 4: Simplify right side
    62,387.36x = 3,423,596,325.22
  5. Step 5: Solve for x
    x = 3,423,596,325.22/62,387.36
  6. Step 6: Final answer
    x = 54,876.44

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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.