Home / 63,668.20-87,630.18-45,735.40

Finding the Fourth Proportional to 63,668.20, 87,630.18 and 45,735.40

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Solution

The fourth proportional to 63,668.20, 87,630.18 and 45,735.40 is: 62,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,668.20 : 87,630.18 = 45,735.40 : x
  2. Step 2: Convert to fraction form
    63,668.20/87,630.18 = 45,735.40/x
  3. Step 3: Cross multiply
    63,668.20x = 87,630.18 × 45,735.40
  4. Step 4: Simplify right side
    63,668.20x = 4,007,801,334.37
  5. Step 5: Solve for x
    x = 4,007,801,334.37/63,668.20
  6. Step 6: Final answer
    x = 62,948.24

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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.