Home / 51,306.32-70,832.10-39,111.04

Finding the Fourth Proportional to 51,306.32, 70,832.10 and 39,111.04

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Solution

The fourth proportional to 51,306.32, 70,832.10 and 39,111.04 is: 53,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,306.32 : 70,832.10 = 39,111.04 : x
  2. Step 2: Convert to fraction form
    51,306.32/70,832.10 = 39,111.04/x
  3. Step 3: Cross multiply
    51,306.32x = 70,832.10 × 39,111.04
  4. Step 4: Simplify right side
    51,306.32x = 2,770,317,096.38
  5. Step 5: Solve for x
    x = 2,770,317,096.38/51,306.32
  6. Step 6: Final answer
    x = 53,995.63

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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.