Home / 52,220.90-78,334.36-14,777.84

Finding the Fourth Proportional to 52,220.90, 78,334.36 and 14,777.84

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Solution

The fourth proportional to 52,220.90, 78,334.36 and 14,777.84 is: 22,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220.90 : 78,334.36 = 14,777.84 : x
  2. Step 2: Convert to fraction form
    52,220.90/78,334.36 = 14,777.84/x
  3. Step 3: Cross multiply
    52,220.90x = 78,334.36 × 14,777.84
  4. Step 4: Simplify right side
    52,220.90x = 1,157,612,638.58
  5. Step 5: Solve for x
    x = 1,157,612,638.58/52,220.90
  6. Step 6: Final answer
    x = 22,167.61

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1.5x scale

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.