Home / 58,458.48-87,705-16,905.84

Finding the Fourth Proportional to 58,458.48, 87,705 and 16,905.84

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Solution

The fourth proportional to 58,458.48, 87,705 and 16,905.84 is: 25,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,458.48 : 87,705 = 16,905.84 : x
  2. Step 2: Convert to fraction form
    58,458.48/87,705 = 16,905.84/x
  3. Step 3: Cross multiply
    58,458.48x = 87,705 × 16,905.84
  4. Step 4: Simplify right side
    58,458.48x = 1,482,726,697.20
  5. Step 5: Solve for x
    x = 1,482,726,697.20/58,458.48
  6. Step 6: Final answer
    x = 25,363.76

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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.