Home / 55,861.40-77,058.18-35,405.96

Finding the Fourth Proportional to 55,861.40, 77,058.18 and 35,405.96

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Solution

The fourth proportional to 55,861.40, 77,058.18 and 35,405.96 is: 48,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,861.40 : 77,058.18 = 35,405.96 : x
  2. Step 2: Convert to fraction form
    55,861.40/77,058.18 = 35,405.96/x
  3. Step 3: Cross multiply
    55,861.40x = 77,058.18 × 35,405.96
  4. Step 4: Simplify right side
    55,861.40x = 2,728,318,838.75
  5. Step 5: Solve for x
    x = 2,728,318,838.75/55,861.40
  6. Step 6: Final answer
    x = 48,840.86

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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.