Home / 82,780.50-114,237.10-45,055.02

Finding the Fourth Proportional to 82,780.50, 114,237.10 and 45,055.02

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Solution

The fourth proportional to 82,780.50, 114,237.10 and 45,055.02 is: 62,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,780.50 : 114,237.10 = 45,055.02 : x
  2. Step 2: Convert to fraction form
    82,780.50/114,237.10 = 45,055.02/x
  3. Step 3: Cross multiply
    82,780.50x = 114,237.10 × 45,055.02
  4. Step 4: Simplify right side
    82,780.50x = 5,146,954,825.24
  5. Step 5: Solve for x
    x = 5,146,954,825.24/82,780.50
  6. Step 6: Final answer
    x = 62,175.93

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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.