Home / 103,634.35-155,542.65-61,461.70

Finding the Fourth Proportional to 103,634.35, 155,542.65 and 61,461.70

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Solution

The fourth proportional to 103,634.35, 155,542.65 and 61,461.70 is: 92,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.35 : 155,542.65 = 61,461.70 : x
  2. Step 2: Convert to fraction form
    103,634.35/155,542.65 = 61,461.70/x
  3. Step 3: Cross multiply
    103,634.35x = 155,542.65 × 61,461.70
  4. Step 4: Simplify right side
    103,634.35x = 9,559,915,691.51
  5. Step 5: Solve for x
    x = 9,559,915,691.51/103,634.35
  6. Step 6: Final answer
    x = 92,246.59

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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.