Home / 83,160.36-114,761.70-45,435.24

Finding the Fourth Proportional to 83,160.36, 114,761.70 and 45,435.24

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Solution

The fourth proportional to 83,160.36, 114,761.70 and 45,435.24 is: 62,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,160.36 : 114,761.70 = 45,435.24 : x
  2. Step 2: Convert to fraction form
    83,160.36/114,761.70 = 45,435.24/x
  3. Step 3: Cross multiply
    83,160.36x = 114,761.70 × 45,435.24
  4. Step 4: Simplify right side
    83,160.36x = 5,214,225,382.31
  5. Step 5: Solve for x
    x = 5,214,225,382.31/83,160.36
  6. Step 6: Final answer
    x = 62,700.85

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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.