Home / 48,087.04-72,138.87-21,442.50

Finding the Fourth Proportional to 48,087.04, 72,138.87 and 21,442.50

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Solution

The fourth proportional to 48,087.04, 72,138.87 and 21,442.50 is: 32,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,087.04 : 72,138.87 = 21,442.50 : x
  2. Step 2: Convert to fraction form
    48,087.04/72,138.87 = 21,442.50/x
  3. Step 3: Cross multiply
    48,087.04x = 72,138.87 × 21,442.50
  4. Step 4: Simplify right side
    48,087.04x = 1,546,837,719.98
  5. Step 5: Solve for x
    x = 1,546,837,719.98/48,087.04
  6. Step 6: Final answer
    x = 32,167.46

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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.