Home / 74,035.02-102,168.02-40,043.55

Finding the Fourth Proportional to 74,035.02, 102,168.02 and 40,043.55

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Solution

The fourth proportional to 74,035.02, 102,168.02 and 40,043.55 is: 55,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,035.02 : 102,168.02 = 40,043.55 : x
  2. Step 2: Convert to fraction form
    74,035.02/102,168.02 = 40,043.55/x
  3. Step 3: Cross multiply
    74,035.02x = 102,168.02 × 40,043.55
  4. Step 4: Simplify right side
    74,035.02x = 4,091,170,217.27
  5. Step 5: Solve for x
    x = 4,091,170,217.27/74,035.02
  6. Step 6: Final answer
    x = 55,259.93

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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.