Home / 52,067.34-78,100.32-12,624.81

Finding the Fourth Proportional to 52,067.34, 78,100.32 and 12,624.81

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Solution

The fourth proportional to 52,067.34, 78,100.32 and 12,624.81 is: 18,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,067.34 : 78,100.32 = 12,624.81 : x
  2. Step 2: Convert to fraction form
    52,067.34/78,100.32 = 12,624.81/x
  3. Step 3: Cross multiply
    52,067.34x = 78,100.32 × 12,624.81
  4. Step 4: Simplify right side
    52,067.34x = 986,001,700.94
  5. Step 5: Solve for x
    x = 986,001,700.94/52,067.34
  6. Step 6: Final answer
    x = 18,937.05

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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.