Home / 67,188.76-100,783.35-16,587.80

Finding the Fourth Proportional to 67,188.76, 100,783.35 and 16,587.80

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Solution

The fourth proportional to 67,188.76, 100,783.35 and 16,587.80 is: 24,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,188.76 : 100,783.35 = 16,587.80 : x
  2. Step 2: Convert to fraction form
    67,188.76/100,783.35 = 16,587.80/x
  3. Step 3: Cross multiply
    67,188.76x = 100,783.35 × 16,587.80
  4. Step 4: Simplify right side
    67,188.76x = 1,671,773,596.01
  5. Step 5: Solve for x
    x = 1,671,773,596.01/67,188.76
  6. Step 6: Final answer
    x = 24,881.74

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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.