Home / 53,684.62-74,082.32-29,812.80

Finding the Fourth Proportional to 53,684.62, 74,082.32 and 29,812.80

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Solution

The fourth proportional to 53,684.62, 74,082.32 and 29,812.80 is: 41,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,684.62 : 74,082.32 = 29,812.80 : x
  2. Step 2: Convert to fraction form
    53,684.62/74,082.32 = 29,812.80/x
  3. Step 3: Cross multiply
    53,684.62x = 74,082.32 × 29,812.80
  4. Step 4: Simplify right side
    53,684.62x = 2,208,601,389.70
  5. Step 5: Solve for x
    x = 2,208,601,389.70/53,684.62
  6. Step 6: Final answer
    x = 41,140.30

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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.