Home / 81,624.30-112,641.19-45,814.60

Finding the Fourth Proportional to 81,624.30, 112,641.19 and 45,814.60

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Solution

The fourth proportional to 81,624.30, 112,641.19 and 45,814.60 is: 63,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,624.30 : 112,641.19 = 45,814.60 : x
  2. Step 2: Convert to fraction form
    81,624.30/112,641.19 = 45,814.60/x
  3. Step 3: Cross multiply
    81,624.30x = 112,641.19 × 45,814.60
  4. Step 4: Simplify right side
    81,624.30x = 5,160,611,063.37
  5. Step 5: Solve for x
    x = 5,160,611,063.37/81,624.30
  6. Step 6: Final answer
    x = 63,223.95

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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.