Home / 112,619.67-155,419.88-62,318.67

Finding the Fourth Proportional to 112,619.67, 155,419.88 and 62,318.67

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Solution

The fourth proportional to 112,619.67, 155,419.88 and 62,318.67 is: 86,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,619.67 : 155,419.88 = 62,318.67 : x
  2. Step 2: Convert to fraction form
    112,619.67/155,419.88 = 62,318.67/x
  3. Step 3: Cross multiply
    112,619.67x = 155,419.88 × 62,318.67
  4. Step 4: Simplify right side
    112,619.67x = 9,685,559,901.57
  5. Step 5: Solve for x
    x = 9,685,559,901.57/112,619.67
  6. Step 6: Final answer
    x = 86,002.38

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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.