Home / 65,946.60-91,000.26-39,084.71

Finding the Fourth Proportional to 65,946.60, 91,000.26 and 39,084.71

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Solution

The fourth proportional to 65,946.60, 91,000.26 and 39,084.71 is: 53,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,946.60 : 91,000.26 = 39,084.71 : x
  2. Step 2: Convert to fraction form
    65,946.60/91,000.26 = 39,084.71/x
  3. Step 3: Cross multiply
    65,946.60x = 91,000.26 × 39,084.71
  4. Step 4: Simplify right side
    65,946.60x = 3,556,718,317.02
  5. Step 5: Solve for x
    x = 3,556,718,317.02/65,946.60
  6. Step 6: Final answer
    x = 53,933.31

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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.