Home / 73,995.02-102,112.98-40,003.52

Finding the Fourth Proportional to 73,995.02, 102,112.98 and 40,003.52

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Solution

The fourth proportional to 73,995.02, 102,112.98 and 40,003.52 is: 55,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,995.02 : 102,112.98 = 40,003.52 : x
  2. Step 2: Convert to fraction form
    73,995.02/102,112.98 = 40,003.52/x
  3. Step 3: Cross multiply
    73,995.02x = 102,112.98 × 40,003.52
  4. Step 4: Simplify right side
    73,995.02x = 4,084,878,637.69
  5. Step 5: Solve for x
    x = 4,084,878,637.69/73,995.02
  6. Step 6: Final answer
    x = 55,204.78

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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.