Home / 53,668.71-74,066.20-31,007.75

Finding the Fourth Proportional to 53,668.71, 74,066.20 and 31,007.75

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Solution

The fourth proportional to 53,668.71, 74,066.20 and 31,007.75 is: 42,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,668.71 : 74,066.20 = 31,007.75 : x
  2. Step 2: Convert to fraction form
    53,668.71/74,066.20 = 31,007.75/x
  3. Step 3: Cross multiply
    53,668.71x = 74,066.20 × 31,007.75
  4. Step 4: Simplify right side
    53,668.71x = 2,296,625,765.20
  5. Step 5: Solve for x
    x = 2,296,625,765.20/53,668.71
  6. Step 6: Final answer
    x = 42,792.64

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1.5x scale

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.