Home / 67,415.70-93,052.17-39,130.50

Finding the Fourth Proportional to 67,415.70, 93,052.17 and 39,130.50

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Solution

The fourth proportional to 67,415.70, 93,052.17 and 39,130.50 is: 54,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,415.70 : 93,052.17 = 39,130.50 : x
  2. Step 2: Convert to fraction form
    67,415.70/93,052.17 = 39,130.50/x
  3. Step 3: Cross multiply
    67,415.70x = 93,052.17 × 39,130.50
  4. Step 4: Simplify right side
    67,415.70x = 3,641,177,938.19
  5. Step 5: Solve for x
    x = 3,641,177,938.19/67,415.70
  6. Step 6: Final answer
    x = 54,010.83

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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.