Home / 112,624.67-155,406.66-67,293.02

Finding the Fourth Proportional to 112,624.67, 155,406.66 and 67,293.02

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Solution

The fourth proportional to 112,624.67, 155,406.66 and 67,293.02 is: 92,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,624.67 : 155,406.66 = 67,293.02 : x
  2. Step 2: Convert to fraction form
    112,624.67/155,406.66 = 67,293.02/x
  3. Step 3: Cross multiply
    112,624.67x = 155,406.66 × 67,293.02
  4. Step 4: Simplify right side
    112,624.67x = 10,457,783,479.51
  5. Step 5: Solve for x
    x = 10,457,783,479.51/112,624.67
  6. Step 6: Final answer
    x = 92,855.18

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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.