Home / 45,758.93-63,170.25-28,772.52

Finding the Fourth Proportional to 45,758.93, 63,170.25 and 28,772.52

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Solution

The fourth proportional to 45,758.93, 63,170.25 and 28,772.52 is: 39,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,758.93 : 63,170.25 = 28,772.52 : x
  2. Step 2: Convert to fraction form
    45,758.93/63,170.25 = 28,772.52/x
  3. Step 3: Cross multiply
    45,758.93x = 63,170.25 × 28,772.52
  4. Step 4: Simplify right side
    45,758.93x = 1,817,567,281.53
  5. Step 5: Solve for x
    x = 1,817,567,281.53/45,758.93
  6. Step 6: Final answer
    x = 39,720.49

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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.