Home / 51,123.97-70,552.28-28,464.49

Finding the Fourth Proportional to 51,123.97, 70,552.28 and 28,464.49

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Solution

The fourth proportional to 51,123.97, 70,552.28 and 28,464.49 is: 39,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,123.97 : 70,552.28 = 28,464.49 : x
  2. Step 2: Convert to fraction form
    51,123.97/70,552.28 = 28,464.49/x
  3. Step 3: Cross multiply
    51,123.97x = 70,552.28 × 28,464.49
  4. Step 4: Simplify right side
    51,123.97x = 2,008,234,509.38
  5. Step 5: Solve for x
    x = 2,008,234,509.38/51,123.97
  6. Step 6: Final answer
    x = 39,281.66

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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.