Home / 55,644.48-76,790.88-30,495.04

Finding the Fourth Proportional to 55,644.48, 76,790.88 and 30,495.04

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Solution

The fourth proportional to 55,644.48, 76,790.88 and 30,495.04 is: 42,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,644.48 : 76,790.88 = 30,495.04 : x
  2. Step 2: Convert to fraction form
    55,644.48/76,790.88 = 30,495.04/x
  3. Step 3: Cross multiply
    55,644.48x = 76,790.88 × 30,495.04
  4. Step 4: Simplify right side
    55,644.48x = 2,341,740,957.24
  5. Step 5: Solve for x
    x = 2,341,740,957.24/55,644.48
  6. Step 6: Final answer
    x = 42,083.98

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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.