Home / 51,122.88-70,548.98-28,461.92

Finding the Fourth Proportional to 51,122.88, 70,548.98 and 28,461.92

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Solution

The fourth proportional to 51,122.88, 70,548.98 and 28,461.92 is: 39,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.88 : 70,548.98 = 28,461.92 : x
  2. Step 2: Convert to fraction form
    51,122.88/70,548.98 = 28,461.92/x
  3. Step 3: Cross multiply
    51,122.88x = 70,548.98 × 28,461.92
  4. Step 4: Simplify right side
    51,122.88x = 2,007,958,929.79
  5. Step 5: Solve for x
    x = 2,007,958,929.79/51,122.88
  6. Step 6: Final answer
    x = 39,277.11

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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.