Home / 74,939.02-103,412.73-40,946.74

Finding the Fourth Proportional to 74,939.02, 103,412.73 and 40,946.74

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Solution

The fourth proportional to 74,939.02, 103,412.73 and 40,946.74 is: 56,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,939.02 : 103,412.73 = 40,946.74 : x
  2. Step 2: Convert to fraction form
    74,939.02/103,412.73 = 40,946.74/x
  3. Step 3: Cross multiply
    74,939.02x = 103,412.73 × 40,946.74
  4. Step 4: Simplify right side
    74,939.02x = 4,234,414,168.00
  5. Step 5: Solve for x
    x = 4,234,414,168.00/74,939.02
  6. Step 6: Final answer
    x = 56,504.80

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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.