Home / 45,611.76-68,439.24-31,593.36

Finding the Fourth Proportional to 45,611.76, 68,439.24 and 31,593.36

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Solution

The fourth proportional to 45,611.76, 68,439.24 and 31,593.36 is: 47,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,611.76 : 68,439.24 = 31,593.36 : x
  2. Step 2: Convert to fraction form
    45,611.76/68,439.24 = 31,593.36/x
  3. Step 3: Cross multiply
    45,611.76x = 68,439.24 × 31,593.36
  4. Step 4: Simplify right side
    45,611.76x = 2,162,225,547.45
  5. Step 5: Solve for x
    x = 2,162,225,547.45/45,611.76
  6. Step 6: Final answer
    x = 47,405.00

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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.