Home / 82,916.53-114,426.48-45,190.78

Finding the Fourth Proportional to 82,916.53, 114,426.48 and 45,190.78

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Solution

The fourth proportional to 82,916.53, 114,426.48 and 45,190.78 is: 62,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,916.53 : 114,426.48 = 45,190.78 : x
  2. Step 2: Convert to fraction form
    82,916.53/114,426.48 = 45,190.78/x
  3. Step 3: Cross multiply
    82,916.53x = 114,426.48 × 45,190.78
  4. Step 4: Simplify right side
    82,916.53x = 5,171,021,883.85
  5. Step 5: Solve for x
    x = 5,171,021,883.85/82,916.53
  6. Step 6: Final answer
    x = 62,364.19

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1.5x scale

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.