Home / 82,933.53-114,448.28-45,207.78

Finding the Fourth Proportional to 82,933.53, 114,448.28 and 45,207.78

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Solution

The fourth proportional to 82,933.53, 114,448.28 and 45,207.78 is: 62,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,933.53 : 114,448.28 = 45,207.78 : x
  2. Step 2: Convert to fraction form
    82,933.53/114,448.28 = 45,207.78/x
  3. Step 3: Cross multiply
    82,933.53x = 114,448.28 × 45,207.78
  4. Step 4: Simplify right side
    82,933.53x = 5,173,952,663.62
  5. Step 5: Solve for x
    x = 5,173,952,663.62/82,933.53
  6. Step 6: Final answer
    x = 62,386.74

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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.