Home / 52,218.04-78,326.70-12,775.72

Finding the Fourth Proportional to 52,218.04, 78,326.70 and 12,775.72

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Solution

The fourth proportional to 52,218.04, 78,326.70 and 12,775.72 is: 19,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.04 : 78,326.70 = 12,775.72 : x
  2. Step 2: Convert to fraction form
    52,218.04/78,326.70 = 12,775.72/x
  3. Step 3: Cross multiply
    52,218.04x = 78,326.70 × 12,775.72
  4. Step 4: Simplify right side
    52,218.04x = 1,000,679,987.72
  5. Step 5: Solve for x
    x = 1,000,679,987.72/52,218.04
  6. Step 6: Final answer
    x = 19,163.49

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Similar ratio
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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.