Home / 52,221.16-78,334.30-16,686.44

Finding the Fourth Proportional to 52,221.16, 78,334.30 and 16,686.44

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Solution

The fourth proportional to 52,221.16, 78,334.30 and 16,686.44 is: 25,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221.16 : 78,334.30 = 16,686.44 : x
  2. Step 2: Convert to fraction form
    52,221.16/78,334.30 = 16,686.44/x
  3. Step 3: Cross multiply
    52,221.16x = 78,334.30 × 16,686.44
  4. Step 4: Simplify right side
    52,221.16x = 1,307,120,596.89
  5. Step 5: Solve for x
    x = 1,307,120,596.89/52,221.16
  6. Step 6: Final answer
    x = 25,030.48

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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.