Home / 71,056.65-98,057.70-39,225.54

Finding the Fourth Proportional to 71,056.65, 98,057.70 and 39,225.54

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Solution

The fourth proportional to 71,056.65, 98,057.70 and 39,225.54 is: 54,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,056.65 : 98,057.70 = 39,225.54 : x
  2. Step 2: Convert to fraction form
    71,056.65/98,057.70 = 39,225.54/x
  3. Step 3: Cross multiply
    71,056.65x = 98,057.70 × 39,225.54
  4. Step 4: Simplify right side
    71,056.65x = 3,846,366,233.66
  5. Step 5: Solve for x
    x = 3,846,366,233.66/71,056.65
  6. Step 6: Final answer
    x = 54,130.98

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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.