Home / 103,634.10-155,542.28-61,461.45

Finding the Fourth Proportional to 103,634.10, 155,542.28 and 61,461.45

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Solution

The fourth proportional to 103,634.10, 155,542.28 and 61,461.45 is: 92,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.10 : 155,542.28 = 61,461.45 : x
  2. Step 2: Convert to fraction form
    103,634.10/155,542.28 = 61,461.45/x
  3. Step 3: Cross multiply
    103,634.10x = 155,542.28 × 61,461.45
  4. Step 4: Simplify right side
    103,634.10x = 9,559,853,757.80
  5. Step 5: Solve for x
    x = 9,559,853,757.80/103,634.10
  6. Step 6: Final answer
    x = 92,246.22

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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.