Home / 56,103.36-77,420.34-30,952.84

Finding the Fourth Proportional to 56,103.36, 77,420.34 and 30,952.84

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Solution

The fourth proportional to 56,103.36, 77,420.34 and 30,952.84 is: 42,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,103.36 : 77,420.34 = 30,952.84 : x
  2. Step 2: Convert to fraction form
    56,103.36/77,420.34 = 30,952.84/x
  3. Step 3: Cross multiply
    56,103.36x = 77,420.34 × 30,952.84
  4. Step 4: Simplify right side
    56,103.36x = 2,396,379,396.77
  5. Step 5: Solve for x
    x = 2,396,379,396.77/56,103.36
  6. Step 6: Final answer
    x = 42,713.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.