Home / 67,639.60-101,430.54-23,270.84

Finding the Fourth Proportional to 67,639.60, 101,430.54 and 23,270.84

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Solution

The fourth proportional to 67,639.60, 101,430.54 and 23,270.84 is: 34,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,639.60 : 101,430.54 = 23,270.84 : x
  2. Step 2: Convert to fraction form
    67,639.60/101,430.54 = 23,270.84/x
  3. Step 3: Cross multiply
    67,639.60x = 101,430.54 × 23,270.84
  4. Step 4: Simplify right side
    67,639.60x = 2,360,373,360.30
  5. Step 5: Solve for x
    x = 2,360,373,360.30/67,639.60
  6. Step 6: Final answer
    x = 34,896.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.