Home / 75,089.97-103,650.03-43,271.55

Finding the Fourth Proportional to 75,089.97, 103,650.03 and 43,271.55

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Solution

The fourth proportional to 75,089.97, 103,650.03 and 43,271.55 is: 59,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,089.97 : 103,650.03 = 43,271.55 : x
  2. Step 2: Convert to fraction form
    75,089.97/103,650.03 = 43,271.55/x
  3. Step 3: Cross multiply
    75,089.97x = 103,650.03 × 43,271.55
  4. Step 4: Simplify right side
    75,089.97x = 4,485,097,455.65
  5. Step 5: Solve for x
    x = 4,485,097,455.65/75,089.97
  6. Step 6: Final answer
    x = 59,729.65

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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.