Home / 65,883.40-90,918.98-35,668.92

Finding the Fourth Proportional to 65,883.40, 90,918.98 and 35,668.92

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Solution

The fourth proportional to 65,883.40, 90,918.98 and 35,668.92 is: 49,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,883.40 : 90,918.98 = 35,668.92 : x
  2. Step 2: Convert to fraction form
    65,883.40/90,918.98 = 35,668.92/x
  3. Step 3: Cross multiply
    65,883.40x = 90,918.98 × 35,668.92
  4. Step 4: Simplify right side
    65,883.40x = 3,242,981,824.10
  5. Step 5: Solve for x
    x = 3,242,981,824.10/65,883.40
  6. Step 6: Final answer
    x = 49,223.05

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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.