Home / 50,686.16-69,940.68-29,470.16

Finding the Fourth Proportional to 50,686.16, 69,940.68 and 29,470.16

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Solution

The fourth proportional to 50,686.16, 69,940.68 and 29,470.16 is: 40,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,686.16 : 69,940.68 = 29,470.16 : x
  2. Step 2: Convert to fraction form
    50,686.16/69,940.68 = 29,470.16/x
  3. Step 3: Cross multiply
    50,686.16x = 69,940.68 × 29,470.16
  4. Step 4: Simplify right side
    50,686.16x = 2,061,163,030.11
  5. Step 5: Solve for x
    x = 2,061,163,030.11/50,686.16
  6. Step 6: Final answer
    x = 40,665.20

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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.