Home / 56,183.22-77,490.81-39,188.34

Finding the Fourth Proportional to 56,183.22, 77,490.81 and 39,188.34

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Solution

The fourth proportional to 56,183.22, 77,490.81 and 39,188.34 is: 54,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,183.22 : 77,490.81 = 39,188.34 : x
  2. Step 2: Convert to fraction form
    56,183.22/77,490.81 = 39,188.34/x
  3. Step 3: Cross multiply
    56,183.22x = 77,490.81 × 39,188.34
  4. Step 4: Simplify right side
    56,183.22x = 3,036,736,209.16
  5. Step 5: Solve for x
    x = 3,036,736,209.16/56,183.22
  6. Step 6: Final answer
    x = 54,050.59

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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.