Home / 42,050.62-63,076.16-12,468.70

Finding the Fourth Proportional to 42,050.62, 63,076.16 and 12,468.70

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Solution

The fourth proportional to 42,050.62, 63,076.16 and 12,468.70 is: 18,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,050.62 : 63,076.16 = 12,468.70 : x
  2. Step 2: Convert to fraction form
    42,050.62/63,076.16 = 12,468.70/x
  3. Step 3: Cross multiply
    42,050.62x = 63,076.16 × 12,468.70
  4. Step 4: Simplify right side
    42,050.62x = 786,477,716.19
  5. Step 5: Solve for x
    x = 786,477,716.19/42,050.62
  6. Step 6: Final answer
    x = 18,703.12

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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.