Home / 58,070.25-87,120-16,517.25

Finding the Fourth Proportional to 58,070.25, 87,120 and 16,517.25

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Solution

The fourth proportional to 58,070.25, 87,120 and 16,517.25 is: 24,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,070.25 : 87,120 = 16,517.25 : x
  2. Step 2: Convert to fraction form
    58,070.25/87,120 = 16,517.25/x
  3. Step 3: Cross multiply
    58,070.25x = 87,120 × 16,517.25
  4. Step 4: Simplify right side
    58,070.25x = 1,438,982,820
  5. Step 5: Solve for x
    x = 1,438,982,820/58,070.25
  6. Step 6: Final answer
    x = 24,780.03

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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.