Home / 61,214.38-91,630.75-47,137.84

Finding the Fourth Proportional to 61,214.38, 91,630.75 and 47,137.84

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Solution

The fourth proportional to 61,214.38, 91,630.75 and 47,137.84 is: 70,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,214.38 : 91,630.75 = 47,137.84 : x
  2. Step 2: Convert to fraction form
    61,214.38/91,630.75 = 47,137.84/x
  3. Step 3: Cross multiply
    61,214.38x = 91,630.75 × 47,137.84
  4. Step 4: Simplify right side
    61,214.38x = 4,319,275,632.58
  5. Step 5: Solve for x
    x = 4,319,275,632.58/61,214.38
  6. Step 6: Final answer
    x = 70,559.82

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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.