Home / 77,570.10-107,056.62-45,741.96

Finding the Fourth Proportional to 77,570.10, 107,056.62 and 45,741.96

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Solution

The fourth proportional to 77,570.10, 107,056.62 and 45,741.96 is: 63,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,570.10 : 107,056.62 = 45,741.96 : x
  2. Step 2: Convert to fraction form
    77,570.10/107,056.62 = 45,741.96/x
  3. Step 3: Cross multiply
    77,570.10x = 107,056.62 × 45,741.96
  4. Step 4: Simplify right side
    77,570.10x = 4,896,979,629.78
  5. Step 5: Solve for x
    x = 4,896,979,629.78/77,570.10
  6. Step 6: Final answer
    x = 63,129.73

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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.