Home / 58,221.04-87,405.36-48,479.44

Finding the Fourth Proportional to 58,221.04, 87,405.36 and 48,479.44

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Solution

The fourth proportional to 58,221.04, 87,405.36 and 48,479.44 is: 72,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,221.04 : 87,405.36 = 48,479.44 : x
  2. Step 2: Convert to fraction form
    58,221.04/87,405.36 = 48,479.44/x
  3. Step 3: Cross multiply
    58,221.04x = 87,405.36 × 48,479.44
  4. Step 4: Simplify right side
    58,221.04x = 4,237,362,905.80
  5. Step 5: Solve for x
    x = 4,237,362,905.80/58,221.04
  6. Step 6: Final answer
    x = 72,780.61

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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.