Home / 73,999.47-102,117.20-40,464.75

Finding the Fourth Proportional to 73,999.47, 102,117.20 and 40,464.75

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Solution

The fourth proportional to 73,999.47, 102,117.20 and 40,464.75 is: 55,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,999.47 : 102,117.20 = 40,464.75 : x
  2. Step 2: Convert to fraction form
    73,999.47/102,117.20 = 40,464.75/x
  3. Step 3: Cross multiply
    73,999.47x = 102,117.20 × 40,464.75
  4. Step 4: Simplify right side
    73,999.47x = 4,132,146,766.38
  5. Step 5: Solve for x
    x = 4,132,146,766.38/73,999.47
  6. Step 6: Final answer
    x = 55,840.22

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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.