Home / 51,304.84-70,830.10-39,109.56

Finding the Fourth Proportional to 51,304.84, 70,830.10 and 39,109.56

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Solution

The fourth proportional to 51,304.84, 70,830.10 and 39,109.56 is: 53,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,304.84 : 70,830.10 = 39,109.56 : x
  2. Step 2: Convert to fraction form
    51,304.84/70,830.10 = 39,109.56/x
  3. Step 3: Cross multiply
    51,304.84x = 70,830.10 × 39,109.56
  4. Step 4: Simplify right side
    51,304.84x = 2,770,134,045.76
  5. Step 5: Solve for x
    x = 2,770,134,045.76/51,304.84
  6. Step 6: Final answer
    x = 53,993.62

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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.