Home / 81,162.04-112,003.37-45,352.09

Finding the Fourth Proportional to 81,162.04, 112,003.37 and 45,352.09

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Solution

The fourth proportional to 81,162.04, 112,003.37 and 45,352.09 is: 62,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,162.04 : 112,003.37 = 45,352.09 : x
  2. Step 2: Convert to fraction form
    81,162.04/112,003.37 = 45,352.09/x
  3. Step 3: Cross multiply
    81,162.04x = 112,003.37 × 45,352.09
  4. Step 4: Simplify right side
    81,162.04x = 5,079,586,356.53
  5. Step 5: Solve for x
    x = 5,079,586,356.53/81,162.04
  6. Step 6: Final answer
    x = 62,585.74

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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.