Home / 92,051.20-127,021.44-51,758.56

Finding the Fourth Proportional to 92,051.20, 127,021.44 and 51,758.56

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Solution

The fourth proportional to 92,051.20, 127,021.44 and 51,758.56 is: 71,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,051.20 : 127,021.44 = 51,758.56 : x
  2. Step 2: Convert to fraction form
    92,051.20/127,021.44 = 51,758.56/x
  3. Step 3: Cross multiply
    92,051.20x = 127,021.44 × 51,758.56
  4. Step 4: Simplify right side
    92,051.20x = 6,574,446,823.53
  5. Step 5: Solve for x
    x = 6,574,446,823.53/92,051.20
  6. Step 6: Final answer
    x = 71,421.63

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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.