Home / 82,916.90-114,334.98-56,012.72

Finding the Fourth Proportional to 82,916.90, 114,334.98 and 56,012.72

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Solution

The fourth proportional to 82,916.90, 114,334.98 and 56,012.72 is: 77,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,916.90 : 114,334.98 = 56,012.72 : x
  2. Step 2: Convert to fraction form
    82,916.90/114,334.98 = 56,012.72/x
  3. Step 3: Cross multiply
    82,916.90x = 114,334.98 × 56,012.72
  4. Step 4: Simplify right side
    82,916.90x = 6,404,213,220.95
  5. Step 5: Solve for x
    x = 6,404,213,220.95/82,916.90
  6. Step 6: Final answer
    x = 77,236.53

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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.