Home / 81,652.32-112,670.52-45,834.48

Finding the Fourth Proportional to 81,652.32, 112,670.52 and 45,834.48

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Solution

The fourth proportional to 81,652.32, 112,670.52 and 45,834.48 is: 63,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,652.32 : 112,670.52 = 45,834.48 : x
  2. Step 2: Convert to fraction form
    81,652.32/112,670.52 = 45,834.48/x
  3. Step 3: Cross multiply
    81,652.32x = 112,670.52 × 45,834.48
  4. Step 4: Simplify right side
    81,652.32x = 5,164,194,695.53
  5. Step 5: Solve for x
    x = 5,164,194,695.53/81,652.32
  6. Step 6: Final answer
    x = 63,246.15

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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.