Home / 51,102.88-70,521.47-28,441.49

Finding the Fourth Proportional to 51,102.88, 70,521.47 and 28,441.49

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Solution

The fourth proportional to 51,102.88, 70,521.47 and 28,441.49 is: 39,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102.88 : 70,521.47 = 28,441.49 : x
  2. Step 2: Convert to fraction form
    51,102.88/70,521.47 = 28,441.49/x
  3. Step 3: Cross multiply
    51,102.88x = 70,521.47 × 28,441.49
  4. Step 4: Simplify right side
    51,102.88x = 2,005,735,295.63
  5. Step 5: Solve for x
    x = 2,005,735,295.63/51,102.88
  6. Step 6: Final answer
    x = 39,248.97

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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.