Home / 82,876.29-114,369.19-45,150.54

Finding the Fourth Proportional to 82,876.29, 114,369.19 and 45,150.54

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Solution

The fourth proportional to 82,876.29, 114,369.19 and 45,150.54 is: 62,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,876.29 : 114,369.19 = 45,150.54 : x
  2. Step 2: Convert to fraction form
    82,876.29/114,369.19 = 45,150.54/x
  3. Step 3: Cross multiply
    82,876.29x = 114,369.19 × 45,150.54
  4. Step 4: Simplify right side
    82,876.29x = 5,163,830,687.86
  5. Step 5: Solve for x
    x = 5,163,830,687.86/82,876.29
  6. Step 6: Final answer
    x = 62,307.70

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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.