Home / 103,563.69-142,922.74-57,623.59

Finding the Fourth Proportional to 103,563.69, 142,922.74 and 57,623.59

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Solution

The fourth proportional to 103,563.69, 142,922.74 and 57,623.59 is: 79,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,563.69 : 142,922.74 = 57,623.59 : x
  2. Step 2: Convert to fraction form
    103,563.69/142,922.74 = 57,623.59/x
  3. Step 3: Cross multiply
    103,563.69x = 142,922.74 × 57,623.59
  4. Step 4: Simplify right side
    103,563.69x = 8,235,721,394.12
  5. Step 5: Solve for x
    x = 8,235,721,394.12/103,563.69
  6. Step 6: Final answer
    x = 79,523.25

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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.