Home / 76,022.72-114,038.76-29,275.64

Finding the Fourth Proportional to 76,022.72, 114,038.76 and 29,275.64

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Solution

The fourth proportional to 76,022.72, 114,038.76 and 29,275.64 is: 43,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,022.72 : 114,038.76 = 29,275.64 : x
  2. Step 2: Convert to fraction form
    76,022.72/114,038.76 = 29,275.64/x
  3. Step 3: Cross multiply
    76,022.72x = 114,038.76 × 29,275.64
  4. Step 4: Simplify right side
    76,022.72x = 3,338,557,683.81
  5. Step 5: Solve for x
    x = 3,338,557,683.81/76,022.72
  6. Step 6: Final answer
    x = 43,915.26

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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.