Home / 51,193.11-70,644.25-28,534.58

Finding the Fourth Proportional to 51,193.11, 70,644.25 and 28,534.58

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Solution

The fourth proportional to 51,193.11, 70,644.25 and 28,534.58 is: 39,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,193.11 : 70,644.25 = 28,534.58 : x
  2. Step 2: Convert to fraction form
    51,193.11/70,644.25 = 28,534.58/x
  3. Step 3: Cross multiply
    51,193.11x = 70,644.25 × 28,534.58
  4. Step 4: Simplify right side
    51,193.11x = 2,015,803,950.53
  5. Step 5: Solve for x
    x = 2,015,803,950.53/51,193.11
  6. Step 6: Final answer
    x = 39,376.47

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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.