Home / 48,320.62-72,483.20-39,871.44

Finding the Fourth Proportional to 48,320.62, 72,483.20 and 39,871.44

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Solution

The fourth proportional to 48,320.62, 72,483.20 and 39,871.44 is: 59,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,320.62 : 72,483.20 = 39,871.44 : x
  2. Step 2: Convert to fraction form
    48,320.62/72,483.20 = 39,871.44/x
  3. Step 3: Cross multiply
    48,320.62x = 72,483.20 × 39,871.44
  4. Step 4: Simplify right side
    48,320.62x = 2,890,009,559.81
  5. Step 5: Solve for x
    x = 2,890,009,559.81/48,320.62
  6. Step 6: Final answer
    x = 59,809.03

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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.